High speed Wi-Fi dongle - up to 600Mbps speeds with 200Mbps on 2.4GHz and 433 Mbps on 5GHz, upgrades your devices to higher AC Wi-Fi speeds Dual band wireless adapter - 2.4GHz and 5GHz band for flexible connectivity, upgrades your devices to work with the latest dual-band Wi-Fi router for faster speed and extended range Nano design USB Wi-Fi - Small, unobtrusive design allows you to plug it in and forget it is even there Operating System – Supports Windows 11/10/8.1/8/7/XP, Mac OS 10.910.13 Advanced security –supports 64/128-bit WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK encryption standards