This dimmable can a strong and deep stereo sound and can cover . The LCD bluetooth alarm clock supports handsfree call and has a built-in microphone. This radio alarm clock is designed with dual alarm design, can set 2 individual alarms. The bluetooth alarm clock features a clear LCD screen that has 3 brightness levels to meet your different needs. The alarm clock can display time, battery power, temperature and can be used as a radio and support TF card. Specifications: Bluetooth version: 5.0. Interface: USB. Channel: 2. : 85dB. Speaker : 2. Memory: 32GB. Battery: 1x 6000mAh.(Built-in) Brightness: high, medium, low. Output power: 3W. Frequency response: 80hz-20Khz. Transmission distance: About 10m. Play time: 6H. Material: ABS colour:White Package Contents: 1 x Clock 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.