Bluetooth speaker portable speaker power rating 6 watt system 1 way system principle active power supply rechargeable battery battery life 3 h charging port micro usb colour black function speakerphone function control feature bluetooth pairing analogue input 35mm jack line in other connections micro usb wireless transmission bluetooth bluetooth codec sbc bluetooth range 10 m width 192 mm height 62 mm depth 68 mm weight 06 kg area of u