How to Connect Two Mobile Devices Simultaneously to CK121
Step 1: Pair the First Device.
Step 2: Turn the CK121 off.
Press and hold the MFB for about 3 seconds until the LED turns RED and powers off.
Step 3: Put the CK121 into pairing mode again.
Press and hold the MFB until the LED flashes RED and BLUE again.
Step 4: Connect the Second Device.
Find "Avantree CK121" on the second device and connect to it.
Step 5: Turn on Bluetooth on the first device and connect.
On your first device, turn Bluetooth back on and tap on "Avantree CK121" to pair with the CK121. Now both phones should be simultaneously connected to the CK121.