1) Support: Bluetooth, TF card, USB, FM Radio, Line in.
2) Support phone redial.
3) It can support music formats: MP3, WMA,WAV, PE,FLAC.
4) High sensitivity FM radio with internal antenna.
5) Material: ABS Plastic + Aluminum.
6) Built-in Li rechargeable battery 350mAH.
7) Battery can support play time: 2hours.
8) Auto Voice Prompt power on/off and Bluetooth is connected and disconnected.