A:Answer Hello Dee,
Thank you for choosing Sony!
We appreciate your question and are here to assist you. Yes, the Sony WH-CH520 headphones are compatible with a MacBook Air. To connect them, simply place the WH-CH520 in pairing mode, access the Bluetooth settings on your MacBook Air, and select the headphones from the available device list. There's no need for any additional software or adapters.
For more detailed instructions on how to activate pairing mode, please visit: https://helpguide.sony.net/mdr/2958/v1/en/contents/TP1000776852.html?search=pairing
Best regards,
-Fred