1. 5.0 BT Adapter: Allows your computer to have BT function, convenient and fast, wireless transmission. 2. Supports Multi-Device Connection: Realizes the connection between your computer and other BT devices. 3. Wireless Transmission: Solves the problem of the computer not having BT and realizes wireless BT transmission. 4. Connect BT Headset: Get rid of wires, make voice calls (requires a BT headset with a microphone), and avoid sitting at the computer. Whether listening to music or chatting, you can enjoy wireless freedom. 5. With Enhanced Driver: No need to install a driver, mobile phone/tablet can transfer text and photos, computer can connect to BT headset/audio, supports Windows7/8/8.1/10. Item Type: Adapter Material: ABS Model: HT-5.0-06S-8761 Color: 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 Supported System: For Windows7/win 8/win 8.1/win 10 1 x Adapter 1 x CD 1 x User Manual