P 2/16(2) Adjust volume(3) Remotely control pause/play(4) Remotely control previous/next songc) FM transmitter:i. Transmit calls or music to the car’s FM radioii. Adjust transmission frequencyiii. Adjust volumed) Line in and Line out:i. Line in—Transmit music to BTC8 from a musicplayback device with a 3.5mm audio cableii. Line out—Transmit calls or stereo music from BTC8 tothe car’s stereo system with a 3.5mm audio cableinstead of using the FM transmission.e) USB Charging Socket:BTC8 has a USB charging socket which provides DC 5Vvoltage for charging other devices.Note: If you want to charge other devices using the USBsocket, the cigarette lighter socket needs to provide 400mA atleast.