[Dual Frequency Without Delay]: The WiFi speed in the 2.4 GHz frequency band can reach up to 400 Mbps, and the Wi Fi speed in the 5 GHz frequency band can reach up to 867 Mbps. [AC1300 USB Wi-Fi Adapter]: The USB Wi-Fi Adapter is built with 802.11 ac Wi-Fi technology for faster speed and dual band which reduces interference and ensures no unexpected dropped calls or loss of signal. [Plug and Play]This USB WiFi adapter works with 11/10 without a driver. Just plug it into your computer and enjoy high-speed wireless Internet. [Wide Compatibility]: Supports operating systems 7/8/10/11, can meet the needs of most computers( are not supported). Model: AC1300M Version: Dual-Band 1300Mbps High Speed WiFi Adapter Frequency range: 2.4GHz+5.8GHz Transmission Rate: 1300Mbps (11N: 400Mbps, 11AC: 867Mbps) Standards: IEEE 802.11AC, 802.11b, 802.11g, 802.11n Encryption: Encryption, WPA-, WPA2-, WPA/WPA2 Material: ABS colour: Black Package Contents: 1 x USB WiFi Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.