... Transmission Interface: USB2.0 Audio output: built-in speaker, FM launches, car audio, navigation, WMA, MP3, MP4, FLASH ... 2 --- 5 meters Expansion slots: maximum support 8G SD card Language: Supported languages Battery: 850MAH rechargeable polymer battery Machine ... USB data cable, headphones, car bracket, car charger, warranty card ITA4802: with AV-IN and FM function (you can add Bluetooth function)