Smart Car Charger

1: Supports USB power supply with Two-way plug
2: Micro SD card reader function
3: Audio output function
4: Play MP3 format music from micro SD card
5: Bluetooth answer/ hang up, reject/redial multi-functions
6: Bluetooth stereo music playback
7: Echo cancellation and noise suppression (CVC) technique for calls
8: Automatic power off memory function
9: Automatic Speech Calling-number