HFP for Phone Call Only (Advanced Selective Pairing)
1. Turn on the headset and press the Joystick for 5 seconds until the LED flashes red and blue alternately and you hear multiple beeps.
2. Within 2 seconds, tap the Rear Button again, then the LED flashes blue and you hear “Phone selective pairing”.
3. Search for Bluetooth devices on your smartphone. Select the Sena 10U in the list of devices detected on your phone.
4. Enter 0000 for the PIN. Some mobile phones may not ask for the PIN.