how i can increase the bluetooth timeout on my macbook air ?

Hey there routine_probs,

Thanks for reaching out to Apple Support Communities. I understand you want to increase the Bluetooth timeout on your Mac. I’ll be happy to help.

While I don’t see a way to increase the timeout, there are some other steps you can take if you’re having issues with the Bluetooth on your Mac. First, make follow the tips in this link to make sure there is nothing that can be causing interference:

Resolve Wi-Fi and Bluetooth issues caused by wireless interference

If you still have issues after this, restart your Mac and make sure your device is in pairing mode and fully charged. Also, make sure your Mac is up to date as well:

How to update the software on your Mac

Regards.