1. Bluetooth hands-free functionality, there is no need to answer the phone in the car holding a cell phone, which makes you drive safer and easier call.
2. LCD liquid crystal display, elegant appearance.
3. Frequency channels: 87.5-108.0 MHz
4. Transmit distance: 5M
5. SNR: 68dB
6. Bluetooth version: Bluetooth 3.0+EDR
7. Operating voltage range: DC9-26V
8. USB charging output: 5V/500mA