Product Description Color: Silver, Black, White Shell Material: Plastic Face Material: Plexiglas Size: 14.5 * 6.5 * 3.2cm Display Type: LED Display Type: Number Package Contents: 1 * Mirror LED Music Alarm Clock, 1 * USB Cable 1.2 Alarms with Snooze FunctionThe alarm clock has two separate alarm times. You can set 2 alarms in one day to plan your time accordingly. The snooze function allows an additional 5 minutes of sleep. Just press the snooze/light button located above the snooze alarm clock. This will continue until you press another button. 2.USB Charging & Built-in Backup Battery Our digital alarm clock includes a USB charging cable for power (no adapter) and a built-in button battery to back up your clock settings save in the event of a power failure. (Attention: Please connect USB port or ONLY 5V/1A and 5V/2A adapter to charge the clock.). 3.Temperature Display & Adjustable BrightnessThe travel alarm clock is with temperature display(/) . You can switch to display the temperature from or using the UP button. During charging, the LED screen is always on and automatically adjusts the brightness in 3 levels for different periods of time. LED digital display, clear and comfortable visual feeling, will be automatically dimmed from 10:00 p.m. to 6:00 a.m. You can also adjust the brightness manually in 4 steps. 4.Voice ControlThe LED alarm clock screen will light up when it detects the sound or when you touch the ''SNOOZE/LIGHT'' button. Clap your hands, bang on the table, tap or sound above 90dB to activate the smart alarm clock. The display will turn off automatically after 6s. 5.13 Optional Alarm Sound & Adjustable Volume It is a non-ticking alarm clock and you can adjust the volume of 13 alarm sounds by pressing + or - press when adjusting the volume or alarm, easy to adjust. The time display supports both 12-hour and 24-hour format.