Sony WI-C200 Help Manual page 55

If you cannot connect your computer to the headset, delete the headset pairing information on your computer and perform the
pairing again. As for the operations on your computer, refer to the operating instructions supplied with the computer.
Related Topic
How to make a wireless connection to Bluetooth devices
Pairing and connecting with a computer (Mac)
Listening to music from a device via Bluetooth connection
Disconnecting Bluetooth connection (after use)
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