1、Faster transfer speed and stronger signal provide you a better surfing experience. 2、USB 2.0 high speed interface for fast signal transmission. 3、Stylish and compact design for matched with your computer's USB port. 4、Compact and lightweight, easy to carry and use. 5、Strong compatibility for a wider range of use - Support for MAC/ Windows XP/Vista system. Features: 1. Faster transfer speed and stronger signal provide you a better surfing experience. 2. USB 2.0 high speed interface for fast signal transmission. 3. Stylish and compact design for matched with your computer's USB port. 4. Compact and lightweight, easy to carry and use. 5. Strong compatibility for a wider range of use - Support for MAC/ Windows XP/Vista system. Specification: Model: CF-723B Antenna: built-in smart antenna, gain: 2dBi Interface: USB2.0 Wireless frequency: WiF: 2412-2484GHz; Compatible with Bluetooth 4.0: CHO~78 Wireless standards: support IEE802.11b standard, support IEEE802.11g standard, support IEEE802.11n standard Transmission power: WiFi: 17dBm BT: 10dBm Security features: WPA / WPA2, WEP, WPA-PSK / WPA2-PSK Operating system support: For MacOS10.6-MacOS10.13, Windows XP, Vista/7/8/8.1/10 (32-bit, 64-bit) Size: about 2*1.6*0.8cm/0.79*0.63*0.31in Package List: 1 * Network Card 1 * CD Note: Bluetooth driver does not support for Windows XP/Vista/MAC.