Several models include USB charging ports, and at least one model adds Bluetooth with a built-in speaker—so you can charge devices and play wireless audio in addition to the clock functions.
Some models project the time onto a wall or ceiling, while others include nightlights or a wake-up light/indicator that provides a visual cue when the alarm is active.
Common features include snooze functions, dual alarms, adjustable snooze timers, and adjustable or ascending alarm volume. One model specifically lists a 5-minute snooze option.
Materials and finishes named in the listings include plastic, ABS (Acrylonitrile Butadiene Styrene), wood composite, and at least one model with a fabric-covered housing.
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