luetooth Car Stereo FM Transmitter Radio AUX Input In-Dash SD MMC USB MP3 Player Head Unit Features: 1. Support for private calls. 2. Support multiple EQ mode switch. 3. Support USB/SD/MMC card reader. 4. Machine size: 187mm*135mm*55mm. 5. Power off with Auto memory store function. 6. Support call ID/hands-free answer/reject calls. 7. Call priority, automatically switches to a ringtone. 8. Dynamic screen color display instant messaging. 9. Support Large capacity removable storage device. 10. Automatically identify and connect your mobile phone. 11. Support Audio Format: MP3/WMA/APE/FLAC/WAV,etc... 12. Can wireless play MP3 on a mobile phone to the car stereo. 13. Built-in Bluetooth function,A2DP, AVRCP hand free protocol. 14. Digital high-quality FM stereo radio, Preset 18 stations(frequency: 87.5-108 MHz). Package Included: 1 X Car MP3 Machine                1 X Remote Controller 1 X Power cable 1 X English User Manual