Joke Collection Website - Talk about mood - Can you tell me how to use headphones?

Can you tell me how to use headphones?

1 Bluetooth headset pairing method:

Turn off the Bluetooth headset first, then press the power button, then let go until the red and blue lights flash each other, and then click Pairing on the phone.

2 Bluetooth headset has no sound:

Check the call settings and audio settings in Bluetooth settings after connection, so that you can make phone calls and listen to songs! No sound is checked in Bluetooth settings!