1: Unpair the Sony wh-h910n headphone
2: Power of the headphone
3: Go to Bluetooth settings on your computer and add a new Bluetooth device
4: Power on your headphone and continue holding down the power button until you hear your Bluetooth device is pairing mode
5: Release the power button
6: select WH-H910N from the device list on your PC Bluetooth search window
7 You're done. Great Job!