If your devices pair but then drop the connection frequently, the issue is often interference or power management.

If it is missing, expand the or Universal Serial Bus controllers sections.

: If the YET-M1 is acting as a Bluetooth transmitter/dongle for your PC, you may need a Generic Bluetooth Driver from Microsoft.

Look for IDs like USB\VID_0BDA&PID_8771 (Realtek) or USB\VID_0A12&PID_0001 (CSR).

Stick to official Realtek/CSR drivers or Windows Update to avoid malware.

Go to Device Manager , right-click the device, select Properties > Details tab. Select Hardware Ids from the Property dropdown menu. Copy the VID (Vendor ID) and PID (Product ID) codes. A quick web search of these codes reveals the exact manufacturer (e.g., VID 0a12 corresponds to CSR), allowing you to download the official driver directly from the legitimate chip maker's archive. Conclusion

If you are still experiencing issues, I can help you of your adapter to find a compatible driver. Just open your device manager and find that ID! Update Bluetooth drivers in Windows - Microsoft Support

If your YETM1 dongle came with a mini-CD, copy the setup files to your computer and run setup.exe .