1、Two in one function: it can used as a Bluetooth reflector and wireless network card. 2、Stable transmission, solve the computer / notebook without Bluetooth wireless function, to achieve Bluetooth function. 3、Connect Bluetooth wireless headset: wireless listening to music / voice calls, enjoy freedom. 4、Adopt 11N wireless technology, data transmission within the LAN is more efficient and stable. 5、Small body, inserted into the computer only leaks 7.5mm, ultra-small invisible, does not take up much space. Features: 1. Two in one function: it can used as a Bluetooth reflector and wireless network card. 2. Stable transmission, solve the computer / notebook without Bluetooth wireless function, to achieve Bluetooth function. 3. Connect Bluetooth wireless headset: wireless listening to music / voice calls, enjoy freedom. 4. Adopt 11N wireless technology, data transmission within the LAN is more efficient and stable. 5. Small body, inserted into the computer only leaks 7.5mm, ultra-small invisible, does not take up much space. 6. Desktop wireless Internet receiving function: desktop pull-free network cable, receive wireless signals for computer Internet access, reduce the random placement of the network cable, entanglement, wireless Internet access. 7. Multi-device sharing network transmission function: support analog AP function, do not worry about no wireless routing, set AP mode mobile phone / notebook / Ipad / easy to play wireless. Specification: Brand: COMFAST Model: CF-723B Antenna: Built-in smart antenna, 2dBi gain Interface: USB2.0 Working frequency band: 2.4GHz Wireless frequency: WiFi: 2.412~2.484GHz Bluetooth 4.0: CHO-78 Wireless standard: IEEE802.11b IEEE802.11g IEEE802.11n Transmitting power: WiFi: 17dbm BT: 10dbm Transmission rate: WiFi: 11b: 1/2/5.5/11Mbps 11g6/9/12/18/24/36/48/54Mbps 11n: 150Mbps BT: 1Mbps for Basic Rate 2.3Mbps for Enhanced Date Rate Security features: WPA-PSK/WPA2-PSK WPA/WPA2 WEP Operating system: WiFi: for Windows XP/Vista/7/8/8.1/10 (32-bit, 64-bit), for MacOS10.6-macOS10.13 Other features: analog AP function Size: about 2*1.4*0.7cm/0.79*0.55*0.28inch Package List: 1 * Network Card 1 * Instruction Manual 1 * Driver CD Note: Bluetooth driver does not support for Windows XP/Vista/MAC.