1) Environmentally friendly never needs batteries mobile phone charger 1 / 3 LEDs rainproof built-in battery wind up recharge patented product ergonomic design 2) Dynamo FM radio 3) 3 white LED lights 12000 MCD providing superior illumination 4) Battery: 80mAh 5) Output voltage: 80mAh 6V 6) 1 minute? cranking provides 90 minutes lighting for 1LED. 7) 1 minute? cranking provides 2-8 minutes mobile speaking time 8) Alarm buzzer mobile phone charging facility 9) Recharged by handle-cranking 10) Logo printing service available Specifications: 1) Size: 17.6 * 6.0 * 5.8cm 2) Weight: 230g 3) Power: 2.5W 4) Material: ABS