Transmit Mode

1. Charge the battery of the C28 unit using the Micro USB cable provided.
2. Plug the C28 into the AUX 3.5 mm jack of the stereo system.
3. Slide the mode switch to the Tx position.
4. Press and hold the multi-function button to turn the unit on. A fast blinking red light indicates it is ready for pairing.
5. Plug in your car's AUX jack or whatever device you want to connect. The first time you need to pair manually, the light will stay red after a successful pairing. When pairing again, the C28 will connect automatically.

Receive Mode

1. Use the included Micro USB cable to charge the battery of the C28 unit.
2. Plug the C28 into the AUX 3.5 mm jack of the stereo system.
3. Slide the mode switch to the Rx position.
4. Press and hold the multi-function button to turn the unit on. A rapidly flashing blue light indicates that it is ready for pairing.
5. Search for C28 in your phone device's Bluetooth function, pair and connect! Note: The first time you need to pair manually, the C28 will connect automatically when you pair again.

Transmit Success

Suitable for computer/TV/projector

Receive Success

Suitable for speakers, headphones