Description: Anti slip design:suitable for various environments,prevent secondary noise caused by surging bass vibration LED Display:The digital alarm clock provides a large screen,the mirror LED display can display the time clearly Dual Alarm Clock:can be set and used independently, weekday and weekend. You can also set the ringing from TF card music and adjust the volume of the alarm clock Bluetooth 5.0:You can connect to your smart phone or tablet immediately from the farthest about 10m 3 Level Brightness Adjustable:you could to adjust from low to high brightness Specification: Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Frequency response range:150HZ-20KHZ Power input:5V-- 2A Output power: 3w Signal to noise ratio: ≥85db Power supply mode: built-in lithium battery Play time: 4 to 6 hours Expansion storage: 16GB Bluetooth protocol: 5.0 Effective distance:10 meters Operation mode: button Display: Yes Play format: MP3 Support format: TF card Speaker adjustment method: button Is there a radio function:Yes Battery capacity: 1200mA Material: plastic Size Chart: 137.5x42x62mm/5.41x1.65x2.44inch Package Includes: 1 Piece Bluetooth Speaker Alarm Clock 1 Piece Charging Cable 1 Piece Manual 1 Piece Color Box Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!