Product features:
1: adjustable Angle, suitable for all types of models.
2: support digital tube display.
3: bluetooth speakerphone
4: support bluetooth stereo music playback
5: echo and noise suppression (CVC) technology during call
6: support USB to power other devices, maximum output of 5V/2A
7: support stereo output and FM launching technology
8: automatic power failure memory function
9: Bluetooth Bluetooth V3.0
10: support bluetooth background operation
11: support TF music playback
12: support MP3 music format