MiNi Design: Tiny WIFI Dongle is so small that allows you to plug it in and forget it is even there. | USB WiFi Adapter: Upgrade your WiFi speeds up to 150Mbps for lag-free video, music, multimedia streaming and Internet calls. | Compatibility: WIFI Adapter USB 2.0 compatible with Windows XP/7/8/8.1, Win 10, Mac OS 10.6~10.15, Linux. | Complies with IEEE 802.11b/g/n Wi-Fi protocol standards. Supports 64/128/152-bit Pole WEP, WPA/WPA2, WPA-PSK/WPA2-PSK advanced internet security. | Customer Sevice Support: If you have any problems when using, just contact us and we will Give You A Replacement or Refund.