The KD-R330 is a JVC car stereo that features Bluetooth technology. To connect to the KD-R330, first make sure that your car has Bluetooth enabled. Once your car has Bluetooth enabled, open the car’s settings and select “Bluetooth.” Then, select “Connection.” In the Connection field, enter the name of your Bluetooth device. For example, if you have a Samsung Galaxy S4 phone, enter “samsung_galaxy_s4” in the Connection field. Click on “Connect.” The KD-R330 will now start to connect to your Bluetooth device. If you have any problems connecting to your Bluetooth device, please try again later.