1:Dual Band: Alternative 11AC5.8G and 11N2.4G connections for TV shows, HD movies, streaming, and online gaming to avoid wireless interference. 2:433Mbps Wireless Speed at 5.8GHz band or 150Mbps Speed at 2.4GHz band. 3:Can help your computer create a Wi-Fi hotspot. 4:Support WPSWi-Fi Protected Setup encryption method to free you from remembering long passwords. 5:Mini portable design for easy carrying, its convenient to use. Specifications: Item Name: Dual-Band WiFi Adapter Chipset: RTL8811 Interface Type: USB2 .0 Frequency range: 2.4GHz+5GHz Transmission Rate: 600Mbps 11N:150Mbps, 11AC:433Mbps Standards: IEEE 802.11AC, 802.11b, 802.11g, 802.11n RF Power: 20dBmMAX Size: 29*15*7mm Voltage: DC5V5% LED indicator: Link/ACT Color: Black Encryption: WEP Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2 64/128bit Encryption. Note: Supports for Windows XP/Vista/WIN7/8/8.1/10. Not supports Mac /Linux system. Free driver means do not need CD driver,after insert the computer usb port the computer can recognize the adapter automatically. Q1. Why my computer can not recognize the adapter after I insert the adapter to my computer ? 1.please make sure the adapter connect with your computer is fairly enough. 2.please insert the adapter to the back usb port of your desktop. or change another computer. Q2. How can i confirm my computer recognized the wifi adapter ? 1.please check device manage center whether there is wireless lan 802.11ac wifi adapter ? 2.please check my computerwhether there is driver disk.if there is.open it click install.the adapter will work. Q3 .Can the adapter work on MAC or Linux syetem? 1.NO.it only can work with windows system.