Are you trying to use this adapter on a (M1/M2/M3) or an older Intel/PowerPC model? Hk 808 Bluetooth Driver Download - Facebook
With it installed, you can access it from your Launchpad and/or put it in your Dock for future access. You know where to go to re- Instructables How to get the Ioger USB Bluetooth dongle to work on a Mac!
No, you cannot install a separate "driver" like on Windows. Long answer: macOS includes built-in Bluetooth drivers (IOBluetoothFamily.kext). For the HK-808 to work, its chipset must be recognized by Apple’s native drivers.
*