Bluetooth:

1. DSP technology, full duplex,CVC nosie and echo suppression.

2. Answer/ end/ reject/ re-dial a call

3. Playing music from phone 

4. Built-in intelligent microphone for excellent sound quality 

FM Transmitter:

1. Supports AUX input function

2. 87.5-108MHz full FM frequency

Dual Car Charger USB Max.output: 5V/2A