The Tenda U9 AC650 USB WiFi Adapter is a black dual-band wireless adapter that operates on both 2.4GHz and 5GHz frequencies. It offers a maximum data transfer rate of 433.0 Mbps and is compatible with Windows 7 operating system and desktop devices. The adapter comes with a standard packaging including the wireless adapter U9 and an installation guide. It has a compact design and easy connectivity through USB interface, making it a convenient solution for expanding the WiFi capabilities of your devices. With a manufacturer warranty of 2 years, the Tenda U9 AC650 is a reliable choice for improving your home networking experience.