Digital Multifunctional Alarm Clock: The digital alarm clock has LED display, USB charging, dual alarm clocks, snooze mode, 12/24H mode, / temperature display, 4 brightness levels, mirror function, 13 ringtones, low battery warning. 2 Alarms with Snooze: You can set 2 separate alarms to schedule your time accordingly. With the snooze function, you can sleep for another 5 minutes. Three volume levels can be set and there are 13 different styles of music to choose from. USB Power Adapter & Built-in Backup Battery: With the built-in battery, you can charge the digital alarm clock at any time via the included USB connection. The battery can usually be used for 10-15 days. The built-in button battery can save your watch settings when the device is off. Dimmable LED Alarm Clock: This alarm clock has 4 adjustable brightness levels. When a sound or touch is detected, the LED screen lights up and turns off automatically after 6 seconds. When charging, the LED screen is always on. The brightness is automatically adjusted to 3 levels in different periods. With the help of white LED luminous numbers, all values can be easily read even in the dark. Large LED Display: Our mirror alarm clock features 5.8 inch LED mirror display, stylish design and easy to read. Suitable for office, home, bedside, table decoration. The supplied USB charging cable (without adapter).