Bluetooth speaker power rating 6 watt system 2 way system speaker system 20 stereo principle active frequency response 90 20000 hz power supply rechargeable battery battery life 10 h charge time 2 hrs battery capacity 800 mah charging port micro usb colour green functions speakerphone function usb host led display battery charge indicator controllable via buttons control features onoff bluetooth pairing number of mid rangetweeter drivers 2