For older versions of macOS, the Bluetooth Explorer tool (part of Apple's Hardware IO Tools) can be used to manually select the active Bluetooth host controller. The Tale of the Tiny Blue Light
If you have purchased an HK-808 Bluetooth USB adapter and are trying to get it working on a Mac, you may have noticed that it does not work immediately upon plugging it in. This is a common issue with generic Bluetooth dongles. Hk-808 Bluetooth Usb Adapter Driver For Mac
For Hackintosh or old Mac Pro (cheese grater) users, install a native Broadcom BCM94360CD Wi-Fi/Bluetooth card via a PCIe adapter. This gives you 100% Apple functionality including AirDrop. For older versions of macOS, the Bluetooth Explorer
For the HK-808 (CSR8510 chip), macOS Monterey, Ventura, and Sonoma have . However, Apple often blacklists certain generic CSR chips to encourage users to buy certified accessories. For Hackintosh or old Mac Pro (cheese grater)