Bluetooth disconnection automatic shutdown energy-saving design,, 1400mAh large battery for longer battery life. Using 45mm leather U-edge and 52mm speakers, the combination creates a three-dimensional and stunning heavy bass, enjoying the passionate sound waves. The sound quality is beyond imagination, with a 360 surround sound structure. Customize dual alarm clocks to meet different needs, with built-in user-friendly alarm clock function that allows you to set two alarms and feel different warmth every morning. In the off screen mode, the display screen transforms into a beauty mirror, allowing you to touch up makeup at any time and bring your own starlight. Battery capacity:1400mAh Charging voltage:5V Transmission distance:about 10 meters Product Name:Bluetooth Speaker Connection method:Wireless Bluetooth AUX audio cable Memory Colour:White Material:ABS Package Contents: 1 * Speaker 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.