For older Windows, you can use :
: Ultra-small "Nano" form factor, allowing it to remain plugged into a laptop during transport without obstruction. driver bluetooth m-tech bt-05
If your BT-05 has a 3.5mm AUX jack, it does not require a computer driver. It handles the Bluetooth connection internally and simply outputs or receives audio through the cable. Operating Modes (For Audio Models) For older Windows, you can use : :
Note: If the official site is down or difficult to navigate, proceed to Method 2. For older Windows