Bluetooth speaker portable speaker power rating 20 watt principle active power supplies rechargeable battery usb battery life 7 h battery capacity 2 200 mah charging port usb housing material aluminium enclosure sound function 360 sound control feature bluetooth pairing analogue input 35mm jack line in other connections usb mini usb wireless transmission bluetooth bluetooth codec sbc width 280 mm height 150 mm depth 60 mm weight 063 kg