... rechargeable batteries : AAAx3PCS, 3.6V, 500mA9) Dynamo output : 4V, 450mA 10) car charger socket: DC12V, 300mA11) AC charging source ... : AC110V12) mobile phone charging function: NOKIA, MTOROLA, SONY ERICSSON, SIEMENS, ... SAMSUNG13) the earphone jack14) charging indicator15) built-in speakers16) product size: 12.8*8 ...