Portable speaker effective output 6 watt speaker system 20 stereo principle active frequency response 150 18000 hz amplifier type digital power supplies rechargeable battery usb colour pink design mini speaker analogue input 35mm jack line in digital inputs usb other connections micro sd slot usb width 165 mm height 50 mm depth 52 mm weight 019 kg area of use en route garden supported memory cards microsd battery life ca 4 hours