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10 Best Alarm Clocks With USB Ports 2025 in the United States

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Our Top Picks

#1

Winner

DreamSky Alarm Clock Radios for Bedrooms with Battery Backup, Large Big Numbers with Brightness Dimmer, USB Port, Bedside Digital FM Radio with Sleep Timer, Temperature, Adjustable Volume, Snooze

Rating
9.8
Chosen by1,439
Number of USB Ports
Display Type and Brightness
Alarm Features

Most important from
19274 reviews

Number of USB Ports
The USB port allows convenient charging of your phone or other USB devices, enhancing bedside organization.
Display Type and Brightness
The display has a continuous dimmer, allowing you to dial down the brightness to nothing or make it as bright as you want, perfect for shared bedrooms.
Alarm Features
Alarm settings are straightforward, with the volume gradually increasing to the level you set, and separate volume settings for the alarm buzzer, alarm radio, and FM radio.
Backup Battery
Battery backup ensures the clock functions during power outages.
Size and Design
The compact design with four rubber nubs on the base prevents sliding on hard surfaces, adding to its practicality.

The DreamSky Alarm Clock Radio is a compact and versatile bedside companion that stands out for its large, adjustable brightness display and multiple useful features. The 4-inch LCD screen with blue numbers can be dimmed from 100% to 0%, making it easy to tailor the brightness to your preference, ensuring it won't disturb your sleep. Its digital FM radio feature, coupled with a sleep timer, allows you to fall asleep to your favorite stations, and the adjustable volume levels ensure you can set the sound to your liking.

Additionally, this alarm clock includes a USB port, enabling convenient charging of your smartphone or other devices directly from your bedside table, which is great for maintaining an organized space. One notable strength is the adjustable alarm sound, where you can choose to wake up to either a buzzer or the radio, with multiple volume levels available for each. The snooze function allows for 8-minute intervals, repeating for up to an hour, providing a gentle wake-up process.

The clock is powered primarily via a wall outlet, but it also has a battery backup feature requiring 3 AAA batteries (not included), ensuring the clock continues to function during power outages. Its indoor temperature display adds to its appeal, making it useful for monitoring room conditions. The small size and sleek design make it a good fit for any bedroom, but its plastic build might not feel premium to some users. The DreamSky Alarm Clock Radio is suitable for anyone looking for a reliable and multifunctional alarm clock with USB charging capability, especially beneficial for those needing a clear, adjustable display and additional features like FM radio and temperature monitoring.

Rating
9.8
Chosen by1,439
Number of USB Ports
Display Type and Brightness
Alarm Features

Most important from
19274 reviews

Number of USB Ports
The USB port allows convenient charging of your phone or other USB devices, enhancing bedside organization.
Display Type and Brightness
The display has a continuous dimmer, allowing you to dial down the brightness to nothing or make it as bright as you want, perfect for shared bedrooms.
Alarm Features
Alarm settings are straightforward, with the volume gradually increasing to the level you set, and separate volume settings for the alarm buzzer, alarm radio, and FM radio.
Backup Battery
Battery backup ensures the clock functions during power outages.
Size and Design
The compact design with four rubber nubs on the base prevents sliding on hard surfaces, adding to its practicality.
#2

Alarm Clock for Bedroom, 2 Alarms Loud LED Big Display Plug in Simple Basic Digital Clock with USB Charging Port, Adjustable Volume, Dimmable, Snooze for Deep Sleepers Kids Elderly Home Office

Rating
9.6
Display Type and Brightness
Alarm Features
Backup Battery

Most important from
28246 reviews

Display Type and Brightness
The bright light and large numbers make it easy to read, even from across the room.
Alarm Features
The alarm is quite loud, making it effective for heavy sleepers.
Backup Battery
Even on battery backup, the alarm works reliably, although the time display turns off.
Size and Design
This alarm clock is easy to set up and has a nice design.

The PPLEE Alarm Clock for Bedroom is a versatile and user-friendly option that suits various needs. It features dual alarms, which are great for families with different schedules. The large 7-inch LED display with adjustable brightness is a standout, making it easy to read the time even from across the room. This is especially useful for vision-impaired individuals. The adjustable alarm volume caters to both heavy and light sleepers, ensuring that the alarm can wake up anyone effectively. The built-in USB charging port is a convenient addition, allowing you to charge your devices without needing extra outlets, which is perfect for bedside use.

The snooze function provides an additional 9 minutes of sleep, a handy feature for those who need a bit more rest. This clock is primarily powered by an outlet but includes a battery backup to keep the time and alarm settings during power outages. This is particularly reassuring for those who rely heavily on their alarm clock. The 12/24-hour time format and Daylight Saving Time (DST) adjustment add to its ease of use. However, the clock requires two AAA batteries for the backup, which are not included, adding a minor extra cost.

The plastic frame and design are basic but functional, making it suitable for various rooms such as bedrooms, home offices, and kids' rooms. The product is lightweight and easy to set up, making it accessible for all age groups, from kids to the elderly. Although the clock has a sturdy build and practical features, its simple design might not appeal to those looking for a more aesthetically pleasing option. Despite this, the PPLEE alarm clock is a reliable and practical choice for anyone needing a dependable timekeeper with added features like USB charging.

Rating
9.6
Display Type and Brightness
Alarm Features
Backup Battery

Most important from
28246 reviews

Display Type and Brightness
The bright light and large numbers make it easy to read, even from across the room.
Alarm Features
The alarm is quite loud, making it effective for heavy sleepers.
Backup Battery
Even on battery backup, the alarm works reliably, although the time display turns off.
Size and Design
This alarm clock is easy to set up and has a nice design.

Buying Guide for the Best Alarm Clocks With USB Ports

Choosing the right alarm clock with USB ports can greatly enhance your daily routine by ensuring you wake up on time and have your devices charged and ready to go. When selecting an alarm clock, it's important to consider several key specifications to ensure it meets your needs and preferences. Here are some important factors to consider when picking the best alarm clock with USB ports for you.
Number of USB PortsThe number of USB ports on an alarm clock determines how many devices you can charge simultaneously. This is important if you have multiple devices like a smartphone, tablet, or smartwatch that need charging overnight. Alarm clocks typically come with one to three USB ports. If you only need to charge one device, a single port will suffice. However, if you have multiple devices, look for an alarm clock with two or more USB ports to accommodate all your charging needs.
USB Charging SpeedUSB charging speed refers to how quickly the alarm clock can charge your devices. This is measured in amperes (A) or watts (W). Faster charging speeds are beneficial if you need your devices to be fully charged in a short amount of time. Standard USB ports usually offer 1A or 2.1A charging speeds. For faster charging, look for an alarm clock with higher amperage, such as 2.4A or more. Consider your device's charging requirements and choose an alarm clock that matches or exceeds those needs.
Display Type and BrightnessThe display type and brightness of an alarm clock can affect your sleep quality and ease of use. Common display types include LED, LCD, and analog. LED and LCD displays are typically brighter and easier to read in the dark, while analog displays have a classic look but may be harder to see at night. Adjustable brightness settings are important to prevent the display from being too bright and disturbing your sleep. Choose an alarm clock with a display type and brightness level that suits your preferences and sleeping environment.
Alarm FeaturesAlarm features determine how you wake up in the morning. Basic alarm clocks offer a single alarm sound, while more advanced models provide multiple alarm sounds, radio options, and gradual wake-up features. Some alarm clocks also have snooze functions and dual alarms for different wake-up times. Consider your waking preferences and choose an alarm clock with features that will help you wake up comfortably and on time.
Backup BatteryA backup battery ensures that your alarm clock will still function during a power outage. This is crucial if you rely on your alarm clock to wake up on time for important events. Backup batteries can be built-in or require separate batteries. If you live in an area prone to power outages or want extra peace of mind, choose an alarm clock with a reliable backup battery feature.
Size and DesignThe size and design of an alarm clock can impact its placement and aesthetic appeal in your bedroom. Alarm clocks come in various sizes, from compact models that fit on small nightstands to larger ones with additional features. The design can range from modern and sleek to classic and retro. Consider the available space on your nightstand and your personal style preferences when choosing an alarm clock that complements your bedroom decor.

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