... Unit convertorEarphone Jack, 3.5mm, Earphone 20mVMULTI LANGUAGES(OSD)AV-IN: 3.5mm, (optional, not included)English,Spanish,Russian, ... ,Indian,Vietnamese,Chinese POWER SUPPLY Traditional,Chinese SimplifiedBuilt-in rechargeable li-ion battery, 1000mAhFM TRANSMITTERlast for more ... charging with 12VSupport Bluetooth 2.0,Transmitter power: 4dBmENVIRONMENTAL AV-INOperating temperature: -10°C ~ +60°C rear ...