Take hands-free phone calls through CK11's built-in speaker.
Park your car before setup or testing a call.
Pair CK11 with your phone
Keep your phone nearby.
- Slide CK11’s power switch to ON.
- Check for a flashing red and blue light.
On first use, pairing starts automatically.
Not flashing?
Hold the phone knob (multifunction button) for 3 seconds.
Look for: The LED flashes red and blue alternately. CK11 is ready to pair.
- Open your phone’s Bluetooth settings. Turn Bluetooth on and select Avantree CK11.
Done
CK11’s blue LED flashes about every 5 seconds.Next: Step 2 →
If not
Won’t turn on? Check the charging cable and USB power source.
See FAQs.
Test a call
Your phone should be connected to Avantree CK11.
- Ask someone to call you. Press CK11’s phone knob once to answer.
- Rotate the knob to adjust volume.
Clockwise: louder. Anticlockwise: quieter.
Adjust the phone’s call volume if needed. - Speak and ask the caller if they can hear you. Press the knob once to end the call.
Done
You hear the caller, and the caller hears you.Next: Step 3 →
If not
Install CK11 on the visor
- Insert the clip’s short end into CK11’s slot until it clicks.
Fits for right- or left-hand installation.
- Clip CK11 to the sun visor above the driver’s seat.
Done
CK11 stays securely on the visor.
If not
Remove CK11 and refit the clip. Still loose? Contact support.
Leave the switch ON for automatic wake-up. How auto power works .
← Back to Step 2