Item Type: Adapter Material: ABS Model: HT-5.0-06S-8761 Colour: Black Chip: RTL8761B BT Version: 5.0 Frequency Range: 2.4Ghz (2402-2480MHz) Usb Interface: USB2.0/3.0 Transmission Rate: 3Mbps Transmission Distance: Approx.10m-20m / 10.9-21.9yd Support System: For Windows7/win 8/win 8.1/win 1015.0 BT Adapter: Let the computer have BT function, convenient and fast, wireless transmission. 2Support Multi Device Connection: Realize the connection between the computer and other BT devices. 3Wireless Transmission: Solve the problem that the computer does not have BT, and realize BT wireless transmission. 4Connect 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. 5With 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.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1 x Adapter 1 x CD 1 xUser Manual