Portable speaker power rating 2 watt effective output 2 watt speaker system 10 mono principle active amplifier type digital power supplies rechargeable battery usb colour green design mini speaker analogue input 35mm jack line in other connections usb width 65 mm height 80 mm depth 62 mm weight 013 kg area of use en route garden mobile phone up to 8 hours playback with retractable cable compatible with all devices with a 35mm jack