1, Mini Bluetooth Speaker with low price 2, With built-in Li-ion battery 3, Good quality,Low price,Fast delive Mini Bluetooth Speaker with low ... 3.5-5 hours Working Time10. recharged by computer or any USB powerDescription:1. Support for Bluetooth stereo, input Line IN2. ... POWER/PLAY/PAUSE,NEXT / VOL+,MODE5. With built-in Li-ion battery: recharged by computer or any USB power6. Output Power:2x2W7 ...