1. Plug the Avantree Bluetooth CK210 into the 3.5mm port of car stereo then turn CK210 ON. (Note: Release or retract the plug, press and hold button to release lock).
2. Press and hold the MFB for 3 seconds to enter pairing mode(Note: On first use the CK210 will
automatically enter pairing mode).
3. Activate Bluetooth on your phone - search for new devices
4. Select "Avantree CK210" on your phone Avantree CK210
Once paired and connected, it will auto re-connect the next time.