UGREEN Wireless USB Adapter AC650 is a dual-band wireless USB adapter designed for PCs. It supports both 2.4GHz and 5GHz frequencies, providing transmission rates of 200Mbps on 2.4GHz and 433Mbps on 5GHz for fast and reliable internet connections. The adapter features a PIFA antenna for improved signal reception and is compatible with Windows, macOS (below version 11), and Linux systems. It also has a handy LED indicator to show the connection status.