Bluetooth Adapter Dongle, GMYLE Ultra-Mini USB Broadcom BCM20702 Class 2 Bluetooth V4.0 Dual Mode Dongle Wireless Adapter with LED (2 Pieces Bundle Pack) Compatible with Bluetooth specification 4.0 and older versions Support Bluetooth Low Energy Technology Provide data access via USB 2.0 version interface Support maximum asynchronous transfer rate of 3Mbps Support Windows 8.1, Windows 8 and Mac OS X 10.8 or later seamlessly