Features: Mirror Design.  Date & Time Display.  Dual alarm clock mode: You can set 5-day alarm and 7-day alarm respectively.  Large LED Display: With 10' large LED display, the digital alarm clock is quite clear to read.  Snooze Funtion: When the alarm rings, tap the top snooze button, the alarm will pause and ring five minutes later.  Wireless Function: USB charging, built-in 3600mah rechargeable battery,the charging time is about 9 hours, and the full charge can be used for up to 30~60 days.  40 Classic Music & Adjustable Volume: The volume is adjustable, allowing you to set the most comfortable level. Don't worry about the sound, it is too loud or it will annoy you, or the sound is too weak to wake you from deep sleep.  5 Levels Of Brightness Adjustment: 5 brightness levels are available(20%/40%/60%/80%/100%),20% brightness is optional at night, the light is soft and not dazzling.  2 Ways To Use: Hang on the wall or place on the table.  Sound Senor & Temperature: Featuring a built-in sound sensor, the digital clock will automatically light up when the decibel of sound is over 90dB. The alarm clock also displays the surrounding temperature.     Specification: Color: Wireless Black/Wireless White.  Shell Material: ABS.  Mirror Material: Mlastic Mirror.  Dial Material: PC.  Input Voltage: 5V 1A.  Current: 140ma.  Charging Time: About 9 hours.  Battery: Built-in 3600mah rechargeable battery.  Size: About 265x35x70mm/10.4x1.38x2.7inch.     Package Included: 1 x LED Digital Alarm Clock.  1 x USB Cable.  1 x English Manual