Turn on your Bluetooth headphones and put them in pairing mode
On your phone/tablet, open Settings
Tap Bluetooth
Turn Bluetooth on
Select your headphones from the available devices list
If prompted, confirm pairing and enter the PIN/passkey (often 0000 or 1234)
Wait for the connection to complete
Play audio to confirm the connection
If they don’t appear, turn Bluetooth off and on again, then re-enter pairing mode
If they were previously paired, remove the device from Bluetooth settings and pair again