Portable speaker bluetooth speaker power rating 3 watt speaker system 10 mono principle active frequency response 100 20000 hz sensitivity 86 dbmw impedance 2 6 ohm amplifier type digital power supply rechargeable battery battery life 6 h charge time 2 hrs battery capacity 4 000 mah charging port micro usb colour pink housing material plastic enclosure functions speakerphone function streaming led displays battery charge indicator battery