The UGreen USB Bluetooth Dongle offers a seamless connection between your computer and Bluetooth-enabled devices. With the advanced Bluetooth 4.0 technology and support for low energy protocol, this dongle allows for fast and efficient data transfer at speeds of up to 3Mbps up to 50ft away. It supports a wide range of Bluetooth profiles, including A2DP, AVRCP, HFP, and HID. The LED indicator makes it easy to monitor the device status. This dongle is compatible with Windows 10, 8.1, 8, 7, XP, and Vista operating systems, but not with ARM-Based Windows RT, Mac OS, or Linux. The package includes one white UGreen USB Bluetooth 4.0 adapter.