Supports 802.11ac standard- The generation of Wi-FiBackward compatible with 802.11 /g Ultra-fast AC1300 (866+400Mbps) wireless speed with 802.11acMaximum to 5GHz 866Mbps or 2.4GHz 400MbpsDual Band connections for -free HD video streaming and gamingColour: Blackmaterial: plasticSupports Win10/8.1/8/7/xp/vista;32/64bits; OS; LinuxThis Dual Band Adapter delivers wireless technology to your desktop or notebook computerSimply plug the adapter into an available USB port and connect to a wireless network to access a high-speed internet connection - 2.4GHz (400Mbps) or 5GHz (up to 866Mbps). And with integrated Dual Band technologyChipset:Reatek 8812BUUSB:3.0 USBWireless Speed:802.11ac: up to 866Mbps802.11n: up to 400Mbps802.11g: 6/9/12/18/24/36/48/54Mbps802.11b: 1/2/5.5/11MbpsAntenna Type:2 x 2dBi Internal antennas (2T2R)AC1300MbpsPackage Contents:1 x USB Wifi AdapterOnly 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.