KuWFi WIFI Realtek RTL8192EUChipset 2T2R Mini High speed USB Dongle Wireless adapter 300Mbps Wireless mini usb adapter for PC/Desktop/Laptop, Support windows xp/Win7/Win 8/Mac/Linux This item is with RTL8192EU Chipset, 2T2R, both downlink and uplink can be up to 300Mbps. Suuport Windows 2000/XP/Vista/Win7, Linux, Mac OS10.4/10.5/10.6(download driver from official website) Mini Size, Best Wireless idea for PC/Desktop/Laptop.or TV or other machine Environment: operating temperature 0-40 C Support soft AP