AC1200 Ultra-Speed Selectable Dual-Band: Max speed up to 300 Mbps (2.4 GHz) and 867 Mbps (5 GHz) with 802.11ac Wi-Fi standard and backward compatible with 802.11a/b/g/n standards.Easy 11ac Upgrade: Upgrade your single-band 2.4 GHz Wi-Fi to 11ac dual-band Wi-Fi for better coverage and faster Wi-Fi speed with zero configuration.11ac Wave 2 MU-MIMO: The latest 11ac technology runs four streams and serve multiple devices simultaneously.Efficient Wi-Fi with Beamforming Technology: With beamforming directional signals support, Wi-Fi performance is dramatically improved with better reliability, range and coverage and less wasted signals.Small, Stylish Design: World's smallest AC1200 Wi-Fi Adapter with MU-MIMO Technology.Secure Wi-Fi: Features 64/128-bit WEP, WPA & WPA2 encryption for high level of security.One-Click Wireless Connections: Features a software WPS (Wi-Fi Protected Setup) button for easy wireless connections.Supports Windows 7/8/8.1 or above, MAC OS 10.9 or above and Linux.