Bluetooth USB adapter, USB Nano GMYLE® CSR4.0 Class 1 Bluetooth V4.0 Dongle Dual Mode Long Range Wireless Adapter (Electronics)
Only 3 stars because of the scope 100 meters which needs to be verified. I thought, my Plantronics headset (bluetooth long range) on the ears, to gardening in my small garden leaving my mac inside my little house. Deep in my land more than 10 meters