ELECOM 300Mbps wireless LAN adapter, compatible with Windows Vista and later, and Mac. Supports the industry-standard 2.4GHz communication, allowing use in a wide range of environments. As a 300Mbps adapter, it's one of the world's smallest, so it won't get in the way even when carried around while attached. *Shipped in simple packaging* - Brand: ELECOM - Model Name: WDC-300SU2BK - Maximum Communication Speed: 300 Mbps - Included Items: Setup guide, CD - Supported OS: Windows Vista and later, Mac Thank you for viewing.