Surging subwoofer - Customized acoustic large diaphragm + 52mm tweeter subwoofer dive excellent, more thick and more texture. Power failure memory function - Built-in high-performance lithium battery, maintain the power outage at the same time to be to normal timekeeping (but the screen does not display). Snooze Function - When the alarm rings, the right circular button, the alarm pause and ring after five minutes. Dual alarm mode - You can set 2 sets of alarms a day, no longer worry about setting alarms frequently. Intelligent sound control function - When the ambient sound up to 90 decibels or gently knock on the desktop where the clock is placed, you can wake up the clock display for 8 seconds and then automatically turn off. Brightness Adjustment - Support 4 levels of brightness adjustment, according to their own habits of appropriate brightness to create a comfortable atmosphere at night. Long Standby Time - Built-in 1200mah rechargeable battery, fully about 4 hours, long-lasting, enjoy music anytime, anywhere. Adapter:5V 2A Rated power:9W Rechargeable battery:1200mAH/3.7V (conventional) Charging port:Type-C Memory button battery:2032 battery Product size:130x101x101mm Warm tips:LED products consume large amounts of power, it is recommended to plug in the use of electricity. Main functions: 1. Bluetooth audio, FM radio, TF, U disk, AUX 2. year, month, day, hour, minute, week, 12/24 hour system (date - time can be set to automatically switch) 3. 2 sets of alarms, 6 ringtones, snooze function 4. screen brightness 4 manual adjustment 5. voice-activated function 6. night light, colorful light mode Colour:Black Material:Plastic Package Contents: 1 * LED Alarm Clock Radio Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.