Prazata Car Bluetooth FM Transmitter Quick 3.0 Dual USB Ports Car Charger FM Modulator MP3 Play G

About C57:
1. Start the car, the screen will display the car battery voltage for 3 seconds.
2. CVC technology to control noise and storm then to create full-duplex sound quality.
3. When the device is switched on, the phone can automatically connect to Bluetooth in your second time use.
Features:
*Transmitter phone call from mobile phone to car FM Stereo system
*Switch from music playing mode to Hans-free mode automatically when receiving call
*Built-in Microphone
*LED Screen Display
*Car battery voltage display
*Full 206 channels from 87.5-108.0Mhz
*Caller number announcer
*Redialing last call
Cautions:
*Keep the product away from extreme heat or cold, as well as any flammable materials or damp places
*Do not use under direct sunshine
*Do not disassemble the product without professional instruction. It will void warranty coverage.