Bluetooth speaker power rating 5 watt effective output 5 watt system 1 way system speaker system 10 mono principle active frequency response 60 20000 hz sensitivity 75 dbmw power supplies rechargeable battery usb battery life 6 h charge time 4 hrs battery capacity 2 000 mah charging port usb colour red functions weather station streaming speakerphone function alarm clock controllable via touch sensitive button remote control app control