Match your phone or pad to bluetooth module.and Choose Aux from your radio, then you can use your phone to through car speakers. - You can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-.
The "Car Bluetooth Audio Receiver for Ip-Bus 11Pin Bluetooth Aux Receiver7641" is the perfect choice for people looking to upgrade their car audio systems using the latest Bluetooth technology with an IP-BUS 11-pin interface.
