Hardware: 5/5. Driver support: 3/5 (due to poor documentation). Recommended only if you’re comfortable manually installing drivers. For plug-and-play, buy a brand that includes drivers on their website.
: Designed to use native Windows drivers immediately upon insertion into a USB port. Extended Range 75270 bluetooth driver
: Sometimes the driver is listed as an "Optional Update." Go to Settings > Windows Update > Advanced options > Optional updates and look for any Bluetooth or Realtek driver. Force Driver Detection : Open Device Manager (right-click the Start button). Hardware: 5/5
If the 75270 chip is based on the common CSR8510: 75270 bluetooth driver