1:Dual Band: Alternative 11AC(5G) and 11N(2.4G) connections for TV shows, HD , streaming, and online gaming to avoid wireless interference. 2:433Mbps Wireless Speed at 5GHz band or 150Mbps Speed at 2.4GHz band. 3:Can help your computer create a Wi-Fi hotspot. 4:Support WPS(Wi-Fi Setup) encryption to free you from remembering long passwords. 5:Mini & portable design for easy carrying, it's convenient to use. Material: plastic+metal Item Name: Dual-Band WiFi Adapter Chipset: RTL8811CU 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: 20dBm(MAX) Size: 29 x 15 x 7mm Voltage: DC5V5% LED indicator: Link/ Color: Black Encryption: Encryption, WPA-, WPA2-, WPA/WPA2 64/128bit Encryption. Supports for WindowsXP/ for Vista/ for WIN7/8/8.1/10.Not supports for for /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 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 wifiadapter ? 1.please check device manage whether there is "wireless lan 802.11ac wifi adapter" ? 2.please check "my computer"whether there is driver disk.if there is.open it click install.the adapter will work. Q3.Can the adapter work on for or for Linux syetem? 1.NO.it only can work with windows system. Package Contents: 1 x USB Wifi Adapter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.