Features: High Speed Dual Band: Ultra-fast AC1200 5GHz wireless adapter speed ideal for gaming online and seamless high defination video streaming. Fast USB 3.0 Port: 10 times faster transfer speeds than USB 2.0 delivers highly efficient wireless connection. Portable Design: Mini-sized design for convenient portability with a reliable high performance. Easy to carry and no space occupation with mini size. More Stable : The internal omni-directional antenna can effectively increase the coverage and stability. Operating System: Windows Vista,, Mac OS Big sur, Mac OS 1 1.3, Linux, Mac OS X 0.5 Leopard, Windows XP, Windows 10/8/7 Package Includes: Type A 1 Piece Wireless Network Card with Base Type B 1 Piece Wireless Network Card without Base Specifications: Type: AC1200 USB 3.0 WiFi Adapter Interface: USB 3.0 80 2.11AC Size:approx 12X7X5cm/ 4.7 2.X 2.76X 1.97in Color: As Pictures Material: ABS Weight: 80g Data Rate: 5.8GHz 867Mbps, 2.4GHz 400Mbps Antenna Type: Built-in 2dBi Support System: Windows Vista, Mac OS Big sur, Mac OS 1 1.3, Linux, Mac OS X 0.5 Leopard, Windows XP, Windows 10/8/7 note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.