Best Usb Charging Radio Alarm Clocks

More on Emerson SmartSet 15W Wireless Ultra Fast Charging, Dual Alarm Clock Radio,...

The Emerson Dual Alarm Clock Radio Features an Ultra-Fast Wireless Charger - which is currently the fastest charger on the market! It can charge your mobile device in a fraction of the time it would normally take. This Alarm Clock Radio has everything you need to start your morning right and help you sleep tight. With Emerson Radio Corp.'s Award-Winning and Patented SmartSet Technology, the flashing "12:00" display is a thing of the past. The ER100401 clock radio Automatically Sets Itself on the first use to the correct Year, Month, Date, Day, and Time. The clock radio features a large, easy-to-read 1.4" LED Cyan Display with Dimmer Control so it is easy on your eyes in the dark. The alarm can be programmed to operate on Weekdays Only, Weekends Only, or all Seven Days of the Week. The alarm displays the month and date with the touch of a button. Set the alarm to wake you to your favorite FM music or news station, or to the buzzer. The clock radio adjusts itself automatically for daylight savings time and leap year, as well as maintains the correct time when the power returns after power outages. Getting out of bed will no longer be a chore with the help of the ER100401.

More on Emerson SmartSet Dual Alarm Clock Radio, Bluetooth Speaker, USB Charging,...

Featuring Emerson's Award-Winning and Patented SmartSet Technology, the ER100301 clock radio automatically sets itself on the first use to the correct Year, Month, Date, Day, and Time. This clock features a Cyan Blue LED display and USB port for charging iPhones, iPads, iPods, Androids and Tablets. The Bluetooth capability allows you to wirelessly connect and listen to your music. The soft Cyan Blue night light is added convenience. The alarm can be programmed to operate on weekdays only, weekends only, or all seven days of the week. Set the alarm to wake you to your favorite FM music or news station, or to the buzzer. The clock radio adjusts itself automatically for Daylight Savings Time and Leap Year, as well as maintains the correct time when the power returns after power outages. Getting out of bed will no longer be a chore with the help of the ER100301.

More on Projection Alarm Clock for Bedroom, Digital Alarm Clock Radio with USB...

Dual Alarm Clocks Setting This alarm clock with dual alarms allows you to set two separate wake times if you and your family have different schedules, Alarm 1 or Alarm 2 as your preference. Snooze Mode After the first alarm reminder, you can get 5-60 minutes of lazy bed time, and the alarm clock will remind you again. 15 FM Radio Stations FM radio alarm clock can automatically search, lock, and storage unlimited number stations within 76-108 MHz. You can listen to music, news, talk shows, stories, weather forecast, sports, traffic, broadcasts and so on. Fashion Gift & Mirror Display The best gift for your friends, family and lovers, Also suitable for any festival like birthday, Christmas, Valentine’s Day, Father's Day, etc. And Can be used as a mirror in daily use,simple and interesting. Specifications: Material: ABS + PC Color: Black Display Type: LED Power Source: 5V/2A Size (about): 7.3 x 3.5 x 0.8inch FM Frequency: 76.0 -108.0 MHz Projection Distance: 0.5-5m Volume Adjustment: 15 levels Hour Format: 12H/ 24H Brightness Adjustment: 4 levels Package Included: 1 x Projection Alarm Clock 1 x CR2032 Battery 1 x USB Charging Cable 1 x User Manual Note: Please remove plastic insulator tab from button battery compartment in the back and connect the product with electricity by USB or Adapter.

More on Alarm Clock Radio with Wireless Charging & USB Port, Bluetooth Speaker,...

6-in-1 Alarm Clock Radio This is a multi-functional machine that integrates Alarm clock Wireless charging station Bluetooth player FM radio Night light AUX playback Itâs not only an alarm clock, but a useful charger and bedside light for extra decoration to fit your house and furniture. Bluetooth 5.0 Speaker Built-in Bluetooth allows this wireless charging alarm clock to be used as a Bluetooth Player. When you are doing sports or just wanting to rest, connect your phone to BT508, listen to your favorite music to relax yourself and the phone is charging. It compatible with most Bluetooth-enabled devices, including your smartphone, tablet, MP3 player and e-reader. 2 Charging Ways-Wireless Charging & USB Charging Port Equipped with a wireless charging station as well as a USB charging port, the Smart Radio Alarm Clock allows 2 devices to charge at the same time - the built-in QI Wireless Charging pad is compatible with all Qi-enabled phones, so you can put the device on top and charge easily without wires. It also has a 1A USB port, suitable for easily powering an additional device, such as a second phone, power bank or smart watch. Easy-to-Read Display with 3-Level Dimmer The clear white LED display comes with 3 levels of brightness can work as a bedside lamp to meet your different needs in both daylight and nighttime. Compact design with big digits that are easy to read.The display could be completely turned OFF, and for people who are very sensitive to light when sleeping, there is no longer a shiny display at night. 4 Modes for Playing Music BT Mode:Turn on Bluetooth and search for BT508, and then you can play your favorite music; FM Mode: Short press âMâ to âFMâ mode, FM will auto work. (Tips: At FM mode, long pressing âMâ can auto search all FM stations) TF Mode: MP3 Music will automatically play once the Micro SD card is inserted and âTFâ light on; AUX Mode: Plug-in 3.5mm cable and âAUâ light on, open music app on mobile/computer to play music. Anti-slip Design Designed with anti-skid pads and matte body design to prevent your phone from sliding during charging. This function is unique to this clock! You can give your phone to it with peace of mind.(Note: the phone case must be less than 4mm, otherwise it will affect the charging efficiency of the phone) An additional independent air conduction heat sink to effectively dissipate heat when charging, avoid 70% damage to the mobile device of high temperature. Specification: Power: 5W Bluetooth: BT508 Bluetooth Range: Over 30 feet Size: 5.12 x 3.54 x 2.7in Wireless Spectrum: 2.402-2.480GHZ Package Included: 1 x Wireless Charging Alarm Clock Radio 1 x Type C Cable 1 x Audio Cable 1 x User Manual

More on Emerson SmartSet AM/FM, Dual Alarm Clock Radio, 0.9" White LED, USB-C...

With Emerson Radio Corp.'s Award-Winning and Patented SmartSet Technology, the flashing "12:00" display is a thing of the past. The CKS1401 clock radio automatically sets itself on the first use to the correct year, month, date, day, and time. The clock radio features a large, easy-to-read White LED display with dimmer control so it is easy on your eyes in the dark. The alarm can be programmed to operate on weekdays only, weekends only, or all seven days of the week. The alarm displays the month and date with the touch of a button. Set the alarm to wake you to your favorite AM/FM music or news station, or to the buzzer. The clock radio adjusts itself automatically for daylight savings time and leap year, as well as maintains the correct time when the power returns after power outages. Getting out of bed will no longer be a chore with the help of the CKS1401.

More on Westclox Electric Large 1.4” Red LED Digital FM Clock Radio 2 USB Charging...

Westclox large 1.4” digital FM clock radio is packed with great useful features. The generously large 1.4” red LED time digits are easy to. You can control the brightness of the display (Dim, Medium or Bright) with an adjustable dimmer. The two USB ports are convenient to charge two devices simultaneously. The 2 AMP charging port is FAST and can charge Smartphone, Tablets or other USB devices. The FM radio is easy to use with the accuracy of digital tuning. Store up to 20 FM radio stations as presets to easily access later. Listen to the radio while you fall asleep with the automatic shut off timer. Equipped with two alarms that can be set for different times and turned on independently. The alarm allows you to wake up to the radio or alarm. The large snooze button on top is easy to find when you’re just waking up. The snooze will allow you silence the alarm, for an extra 9 minutes. Electric operated with battery backup in case of power failure. The battery backup is optional and requires 2 AAA batteries (not included).

More on Wireless Charging Alarm Clock Radio: Qi Certified Fast Wireless Charger for...

• All-in-One Modern Nightstand Companion: Transform your bedroom with the stylish clock featuring wireless charging, Bluetooth speaker, Fm radio, nightlight.
• Bluetooth Connectivity for Seamless Streaming: Experience exceptional audio with 10W stereo Bluetooth speaker, designed to deliver powerful, crystal-clear sound.
• Convenient for powering Devices: Say goodbye to tangled cords with 10W Qi certified fast wireless charging and USB charging port for your device, keeping your nightstand organized.
• FM Radio for Diverse Entertainment: Stay connected to your favorite local stations with the built-in FM radio. Also set a sleep timer to keep you company with the radio as you fall sleep.
• Dimmable Display for Comfortable Viewing: Customize your sleep environment with a dimmable digital display that adjusts from 0-100% brightness.
• 8-Color Nightlight for a Peaceful Ambiance: Set the mood with nightlight that offers adjustable brightness. Create a tranquil atmosphere in your bedroom or beside your child's bed.

More on Memorex MX-CR160 Bluetooth Clock Radio with USB Charging | FM PLL Radio with...

• ✅ BLUETOOTH CLOCK RADIO FOR WIRELESS STREAMING & HANDS-FREE AUDIO: Experience the convenience of wireless Bluetooth connectivity, allowing you to stream your favorite music, podcasts, and audiobooks directly from your smartphone, tablet, or other Bluetooth-enabled devices. With a stable and seamless connection, you can enjoy crisp, high-quality sound without messy cords cluttering your nightstand. Whether you’re waking up, working, or unwinding at night, this versatile Bluetooth alarm clock radio ensures hassle-free, hands-free entertainment at your bedside
• ✅ FM PLL RADIO WITH 20 PRESETS & CLEAR AUDIO RECEPTION: Never miss your favorite radio stations, news updates, or morning talk shows with the built-in FM PLL radio tuner, delivering static-free and high-fidelity audio performance. Save up to 20 preset stations, giving you instant access to your most-listened-to broadcasts without constantly scanning frequencies. The enhanced reception technology ensures a strong signal, making it easy to enjoy music, sports commentary, and local news in crystal-clear quality from the comfort of your bedroom, office, or living space
• ✅ DUAL ALARM FUNCTION WITH CUSTOMIZABLE WAKE-UP OPTIONS: Designed for households with different schedules, the dual alarm system lets you set two separate alarms—perfect for couples, roommates, or busy professionals. Choose between waking up to your favorite FM radio station or a traditional buzzer for a more personalized morning routine. The progressive alarm volume gently wakes you up, ensuring a gradual and stress-free start to your day. The easy-to-use alarm controls let you adjust, snooze, or disable alarms with just a simple press of a button
• ✅ SNOOZE BUTTON & 90-MINUTE SLEEP TIMER FOR CUSTOMIZED SLEEP CYCLES: Need a little more sleep? The snooze function allows you to pause your alarm for a few extra minutes of rest, ensuring you wake up feeling refreshed. The 90-minute sleep timer lets you fall asleep to your favorite radio station, music, or soothing sounds, automatically turning off after the selected time. Whether you enjoy drifting off to soft tunes or catching a few extra Z’s before work, this feature-packed alarm clock radio provides customized sleep support for every lifestyle
• ✅ USB CHARGING PORT & BATTERY BACKUP FOR POWER OUTAGE PROTECTION: Say goodbye to cluttered bedside tables with the integrated USB charging port (5V/1A), allowing you to conveniently charge your smartphone, smartwatch, or other USB-powered devices while you sleep. No need to search for extra wall adapters—just plug in and wake up to a fully charged device. The battery backup feature (requires 2x AAA batteries, not included) ensures that your clock, alarms, and settings remain saved during power outages, preventing any disruptions to your schedule and ensuring reliable functionality at all times

More on ANJANK Digital LED Alarm Clock FM Radio, Fast Wireless Charger Station for...

• 【Alarm Clock with Fast Wireless Charging】Unique top non-slip charging design ! ANJANK alarm clock supports 5W/7.5W/10W adaptive charging, which can charge your smart phone quickly and easily. Besides, it also features an USB port to charge other electronic devices, such as a second phone, powerbank or smartwatch. Simplify your nightly routine, eliminating the need for cumbersome charging cables.
• 【Fm Radio & Sleep Timer】ANJANK wooden radio clock with a frequency range of 87.5-108MHz. It allows you to easily tune and save your favorite channels. With a premium adjustable volume speaker, you can enjoy the clear and pristine sound. Sleep timer function (10-120min) for you to choose.
• 【Two Wake Up Mode】Wake up with classic buzzer or your favorite radio station, start your day fresh with a good mood! When the alarm is going off, simply press SNOOZE button and you will enjoy extra 9 minutes of slumber.
• 【Large Dimmable Digital LED display】1.2’ number digits are not only bright and easily visible but also come with a fantastic dim mode. This dimming feature can ensure you a good night's sleep without any disturbance. The clock's ability to adjust its brightness makes it versatile, catering to different preferences and lighting needs for you.
• 【Stylish Wooden Design for Decor】You will love the aesthetic of this clock. It’s sleek, clean, modern and looks like a beautiful piece of wood furniture. Its functionality and stylish appearance makes it a perfect gift for your family, lovers or friends.
• 【Easy to Use & Warranty】With the optimized functional design, this alarm clock can be very easy to use. Most importantly, ANJANK promises a 45-day return policy and 24-hour response services. Please rest assured to buy !

More on SHARP Digital Clock with Alarm and Dual USB FastCharge Charging Ports -...

• EXTREMELY SIMPLE TO OPERATE - The clock has been designed with absolute simplicity in mind and is very easy to operate. Perfect for adults, children, teens, seniors and the elderly.
• DUAL USB FAST CHARGE PORT – 2 ports that are both 2 AMP USB Charge Ports – Quickly Charge your phone or devices.
• EASY TO READ ILLUMINATED BRIGHT GREEN LED DIGITS - Easy to Read Green Numbers on the clock are very clear with extra bright quality, See from across the room or even without glasses in the middle of the night!
• BATTERY BACKUP (2 x AAA - Not Included) - Use 2 – AAA batteries for back up in case of a power outage. During battery back up the screen goes blank but alarm and time settings are retained and the alarm will still sound.

More on Digital Alarm Clock with FM Radio for Bedroom, 8 Colors Night Light with 2...

• 【Large display with adjustable dimmer】5-inch LED large clear display for digits ensure the time is easy to see even for impaired vision people.The smart brightness dimmer design allows you set the brightness of display from 0-100 level.You can also choose the font color displayed.(White,Warm white,Red,Green,Blue,Mixed colored).
• 【Adjustable Alarm Sound】Two alarms with separate weekend,weekday,all-7-day mode satisfy the needs of everyone and every family.You may choose 7 built-in tones or radio as wake up sound, which gradually increases in volume from gentle to the level you set. The snooze function is specially designed for those who need an extra 9 minutes to start the day.
• 【FM Radio】It will be an FM radio when you press the "FM Radio" button. Press and hold the "FM Radio" button for 2 seconds and it will start and automatically scan for all stations on frequencies 76.0-108.0 MHz. Also, the clock supports manual tuning. You just need to turn the snooze button to achieve manual tuning.
• 【Night Light / Bedside Lamp / Mood Light】It is also a bedside light / night light / reading light / Mood Light when you press the Snooze / Night Light button. You can also set the brightness of the light level by easy turn wheel at the back of the clock.
• 【More Than Just An Alarm Clock】The sleep timer function (10-480 min) offers the luxury to fall asleep with your favorite station playing. 3.5mm headphone jack comes handy not disturbing others nearby. 2 USB ports for you to charge your phone or other extra mobile devices.

More on uscce Digital Dual Alarm Clock Radio - 0-100% Dimmer with Weekday/Weekend...

• FULL DIMMABLE DISPLAY - The brightness of the 3.4-inch compact LCD is dial-controlled and adjustable from 0 to 100%, from cast-no-glow at midnight to bright enough that the time can easily be read from across the room during the day. Other features displayed on the screen include: day, 12 or 24hr mode, temperature (°F or °C), status and ringtone for alarm 1 and 2.
• CUSTOMIZABLE ALARM - Dual alarms with separate weekend/weekday/all-7-day mode satisfy the needs of everyone and every family. You may choose one of the 5 built-in tones (Beep/Piano/Buzzer/Bird/Soft Music) or radio as wake up sound, which gradually increases in volume from gentle to the level you set (options from level 1 to 15). Snooze allows extra 9 minutes of slumber.
• MORE THAN JUST AN ALARM - FM radio saves up to 40 stations, and the sleep timer function (10-150min) offers the luxury to fall asleep with your favorite station playing. 3.5mm headphone jack comes handy not disturbing others nearby. 2 USB ports will charge your phone or other mobile devices while you sleep. (Headphones and charging cable NOT included).
• QUICK AND EASY TO SETUP - Unique designed large rotary button as a dial, making setting time/alarm easier and faster. All buttons and dials are clearly labeled with function or icon, and everything is clearly displayed on the screen. So it is a breeze to use right out of the box and change settings.
• BATTERY BACKUP - AC-powered, but you have the option to back it up with 3 AAA batteries (NOT included) in case of power outage. Not only time and settings are restored, alarm and radio are also supported (USB will not charge). Please be noted that the clock may drain batteries fast, so ONLY use as a backup but NOT everyday operation.
• If you have any questions or comments, please don’t hesitate to contact us - we are always here to help.

More on Projection Alarm Clock with FM Radio, USB Charging Port, 0-100% Dimmer, Dual...

• 𝗕𝗜𝗚 𝗟𝗘𝗗 𝗗𝗜𝗦𝗣𝗟𝗔𝗬𝗦 𝗪𝗜𝗧𝗛 𝟬-𝟭𝟬𝟬% 𝗗𝗜𝗠𝗠𝗘𝗥 -- Enjoy easy visibility from across the room with this alarm clock's 3.5*2inch huge numerals. The brightness of the numerals is easily adjusted from zero to very bright using a ribbed thumbwheel on the back of the case. Warm Tips: The displays -- both the projection and clock face -- can be dimmed or shut off individually.
• 𝗙𝗠 𝗖𝗟𝗢𝗖𝗞 𝗥𝗔𝗗𝗜𝗢 𝗪𝗜𝗧𝗛 𝟬-𝟭𝟬𝟬% 𝗩𝗢𝗟𝗨𝗠𝗘 -- This digital alarm clock supports manual/auto searching radio stations and automatically saves the radio stations to the playlist (max 30 stations). And there is a rolling dial behind this digital clock which can adjust the radio volume from 0 to 100%.
• 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗘𝗗 𝗖𝗟𝗘𝗔𝗥 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗢𝗥 -- A must-have in your bedroom, this clock for bedroom makes life so much easier, now you just have to look at your ceiling to know what time it is, instead of using your Phone with a bright screen. The lens sends a clear image of the time on the ceiling.
• U𝗦𝗕 𝗖𝗛𝗔𝗥𝗚𝗜𝗡𝗚 𝗣𝗢𝗥𝗧 & 𝗨𝗦𝗕-𝗖 𝗣𝗢𝗪𝗘𝗥 𝗦𝗨𝗣𝗣𝗟𝗬 -- This alarm clock has a 5V/1.2A USB charging port for your other electronic devices, no need to using an extra plug. It also comes with a USB-C adapter (AC100-240V), the current electronic standard. The cable length is about 69.5 inches, which is enough for your nightstand.
• 𝗣𝗘𝗥𝗦𝗢𝗡𝗔𝗟𝗜𝗭𝗘𝗗 𝗔𝗟𝗔𝗥𝗠 𝗦𝗘𝗧𝗧𝗜𝗡𝗚𝗦 -- Uneasy to get up from your bed? This digital clock equipped with a snooze function and two sets of alarms to cater to your needs and those of your partner. Choose from 5 unique sounds and 3 volumes levels to personalize your wake-up call.
• B𝗔𝗧𝗧𝗘𝗥𝗬 𝗕𝗔𝗖𝗞𝗨𝗣 𝗙𝗢𝗥 𝗠𝗘𝗠𝗢𝗥𝗬 𝗦𝗘𝗧𝗧𝗜𝗡𝗚𝗦 -- This digital alarm clock has a built-in battery backup(CR2032) that is only used to save settings in the event of a power outage. This means that during a power outage, the screen will go blank and no alarm will sound, but once power is restored, the clock will show the correct time.
• 𝗦𝗧𝗬𝗟𝗜𝗦𝗛 𝗔𝗡𝗗 𝗨𝗡𝗜𝗤𝗨𝗘 𝗖𝗨𝗥𝗩𝗘𝗗 𝗗𝗘𝗦𝗜𝗚𝗡 -- A curved screen mimics your eyes’ curvature for a more comfortable viewing experience. Research Gate reports that a Harvard Medical School study found curved screens are better at reducing eyestrain and blurred vision and improving focus compared to regular screens.Please note that our products are non-RF products.

More on DreamSky Alarm Clock Radios for Bedrooms with Battery Backup, Large Big...

• Electric Digital Alarm Clock with Full Range Dimmer for Bedroom: 4 Inches large LCD screen with eye easy catch blue number display, time and clock display are easy to read at a glance. 100%-0% completely adjustable display brightness for comfortable viewing. 12 or 24hr switch, Indoor temperature ( ℃ or ℉) Display.
• FM Radio ONLY with Sleep Timer: Easy tuning in FM radio channel with 0-15 level volume adjustable. Speaker is loud and clear. Benefit sleep timer function lets you fall sleep to the radio by preset the radio to play for a certain amount time (10-120 minutes optional).
• USB Charging Port: Extra USB port allow you to charge your smartphone or other smart device without plug in wall, a handy, convenient and organized bedroom alarm clock radio.
• Adjustable Alarm Sound and Snooze: Wake up to buzzer or radio should your preference. Both alarm sound volume can be adjusted to your comfortable level. (buzzer : 3 level, radio: 1-15 level). The alarm will begin sound faintly then increases to its max within 5 seconds. 8 minutes interval snooze can be repeated in one hour until turning off.
• Main Outlet Powered with Battery Backup: Plug in any wall outlet to power the clock radio with the included DC adapter (adapter wire length: 76 inch). 3* AAA battery (not included) backup needed for keep the clock working for a short time during electric power failures.

More on Projection Clock, FM Radio Alarm Clock with USB Charger 5.5'' Large LED...

Projection Clock, FM Radio Alarm Clock with USB Charger 5.5'' Large LED Display 2 Sounds for Heavey Sleeper 2 Alarm Setting 4 Level Adjustable Brightness(Green) ⏰【Time Projection】The projection alarm clock can project the time on ceiling or the wall in red light,which you can clearly see the time in home.Our digital clock offers a clear display from a distance of 3 meters.The projector is -90° to 90° adjustable. ⏰【Snooze Function】The alarm clock can be set two separated wake-up alarms, to wake you and your partner up at desired time. Snooze function allows you to suspend the alarm temporarily and catch a little adjustable nap (9 minutes default). ⏰【Radio Function】Our the radio alarm clock can automatically search, lock, and storage unlimited number stations within 76-108 MHz for your quickly and easily use. You can set the automatically turn off time for the radio, the setting time is 5-90 minutes, and the radio can be turned off according to your setting.You can fall asleep with soft music and wake up with today's hot news. The radio volume is adjustable from 0 to 15 levels. ⏰【USB Charging Port】The alarm clock has a USB charging port for mobile phones or tablets. And after the external power supply is cut off, the product settings remain unchanged and the time runs normally, and there is no need to repeat settings after the power cut.You can adjust the 12/24 hour mode, temperature display and humidity display for the alarm. ⏰【8‘’ Screen Display & Adjustable Brightness】Our digital alarm clock comes with 8in LED screen display so that you can clearly see the time.You can manually adjust the brightness, 4 levels: off, micro-bright, medium-bright, and high-bright. It can also be automatically adjusted by the light of environment.

More on SYLVANIA SCR4986 USB-Charging CD Dual Alarm Clock Radio

USB charging - built in USB to charge your iPhone, android or other mobile device Play music through the built-in AM/FM radio Wake to radio buzzer or cd Sleep to radio or CD Top loading CD player Alarm clock Snooze/repeat alarm 3" twin dynamic speakers Red LED display 3v battery back up - so your don't have to reset the clock after a black-out! (batteries not included)

More on LED digital bedroom alarm clock radio with usb charging port clock control...

1. This product is a combination device of audio and alarm clock. It makes enough noise to cover unnecessary noise interference. Provide you and your family with two adjustable volume alarms, 0 to 100% display dimmers, socket power supply and battery power supply for AC power interruption 2.12 High-quality soothing sound/noise machine: white, brown and pink noise, three kinds of fan sound, forest (birds), lullaby, summer night (crickets), rain, thunderstorm, sea wave. Listen to your favorite voice and fall asleep; It will automatically shut down at your scheduled time (15 to 150 minutes or uninterrupted) 3. Dual alarm clock, with 6 natural alarm sounds (flute, bird, piano, buzzer, bell and beep), 25 alarm volume levels: the maximum volume is suitable for most sleepers; You can turn off the alarm clock or take a nap for 9 minutes (up to 7 times). 4. It is convenient to read from a distance through the 2.84-inch display screen. Thumbwheel dimmer allows fast brightness adjustment between 0 and 100% 5. The battery operation mode can maintain the volume for 3.5 hours at the maximum setting (excluding 3 AAA batteries). Keep the clock setting to ensure that you wake up in time when you need it, even if the power supply fails. In the socket power mode, the USB port on the back can be activated during sleep to charge the phone and iPad.