The headphones will not pair

1. Confirm the headphones are charged. Low battery causes intermittent pairing failures.
2. Power them on and hold the power button until the indicator shows pairing mode.
3. Open Bluetooth in your phone settings, not the app. Pairing happens at the system level.
4. If the headphones appear as connected but produce no sound, tap forget this device in your Bluetooth settings and pair again from scratch.
5. Turn Bluetooth off and back on, or restart your phone.
6. Disconnect them from any other device. They connect to one source at a time.

Still stuck: contact support with your phone model, OS version, and what you see in your Bluetooth list.