
5. Confirm this frequency for the FM transmitter by press the answer key.
6. To play music, please pair the FM transmitter and your phone with Bluetooth
function or use the USB/TF memory card.
Note: Please try another frequency and repeat the above steps if there has static
interference on the radio.
Pair cellphone via Bluetooth:
1. Plug the FM transmitter to the car cigarette lighter socket.
2. After LED display ,The device will voice prompt “Waiting for connection”.
2. Turn on cell phone Bluetooth setting, search and choose C89S.
3. The device will prompt: “Bluetooth connection success” after your phone and
transmitter are connected.
4. After pairing, call hands-free speakerphone function and phone Media Sync
function are active.
Monitor of Car battery voltage:
For the car with a 12V power socket, the normal voltage range should between
11.5V and 14.9V.
For the car with a 24V power socket, the normal voltage range should between
23.1V and 27.3V.
How to use Hands-Free call function:
1. Make sure your phone and device are connected.
2. Accept the call: press the answer key.
3. Decline the call: press the answer key and hold it for 3 seconds.
4. Hang up a calling: in the calling or dialing state, press the answer key to hang up
this call.
5. Repeat dial: Quickly press the answer key twice.
Music playing mode:
1.Press【I<<】to previous song, press【>>I】to next song.
2. Press the answer key to pause the music, press one more time and continue to
play.
3. Press and hold until LED displays or (or ), then playing will
transfer to the mode which it shows.
Adjust volume (For both Hands-free call mode and music/radio playing mode):
1.Tune the answer knob to adjust the volume.
2. Tune the phone volume.
3. Tune the car radio volume.