1、0 BT Adapter: Let the computer have BT function, convenient and fast, wireless transmission. 2、Support Multi Device Connection: Realize the connection between the computer and other BT devices. 3、Wireless Transmission: Solve the problem that the computer does not have BT, and realize BT wireless transmission. 4、Connect BT Headset: Get rid of the wire manacle, make a voice call (a BT headset with a microphone is required), and no longer have to sitting at the computer. Whether you are listening to music or chatting, you can enjoy wireless free. 5、With Enhanced Driver: No need to install driver, mobile phone/tablet can transmit text and photos, computer can be connected to BT headset/sound, support for Windows7/8/8.1/10. 1 x Adapter1 x CD1 x User Manual Item Type: AdapterMaterial: ABSModel: HT- 5.0-06S-8761Colour: BlackChip: RTL8761BBT Version: 5.0Frequency Range: 2.4Ghz (2402-2480MHz)Usb Interface: USB 2.0/ 3.0Transmission Rate: 3MbpsTransmission Distance: Approx.10m-20m / 10.9- 21.9ydSupport System: For Windows7/win 8/win 8.1/win 10