High-Speed Wi-Fi: 256QAM support increases the 2.4 GHz data rate from 150 Mbps to 200 Mbps, 200 Mbps on the 2.4 GHz band and 433 Mbps on the 5 GHz band, you fully enjoy fast AC Wi-Fi Dual Band Wireless: 2.4 GHz and 5 GHz band provide flexible connectivity, giving your devices access to the latest dual-band Wi-Fi router for faster speed and extended range High-Gain Antenna: A 5dBi high-gain antenna greatly enhances the reception and transmission signal strength of the USB adapter Supports the Latest Operating Systems: Fully compatible with 10/8.1/8/7/XP and 10.9-10.14 colour: black Material: ABS size: 33 * 16 * 7mm Package Contents: 1 * network card 1 * CD Only the above package content, other products are not included. Note: Light 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.