[Set of 3] USB WiFi Adapter, Ultra-Compact Mini Wireless LAN WiFi Receiver, Wireless LAN Adapter, IEEE802.11n USB Network Adapter Simply plug it into a USB port and you can use wireless WiFi. This is a USB wireless LAN adapter (Wi-Fi adapter). Supported OS Windows XP / 7 / 8 / 10 / 11 Standards IEEE802.11 b/g/n/2 Communication Speed 150Mbps - 300 Mbps Lightweight and very compact, making it convenient to carry around, whether in use, moving, or storing. The protrusion length is about 8mm even when inserted into a PC, and it's a small type that you don't have to worry about breaking if you forget to remove it. USB Wireless LAN Adapter WiFi Adapter. Supports 2.4GHz communication of industry standard IEEE802.11n/g/b standards, and can achieve wireless communication up to 150Mbps. It can be used in a wide range of environments, including home routers, Wi-Fi hotspots, and pocket routers. *Wi-Fi may not be detected by some drivers of products that have not been updated for Windows for many years. Please check the version. Please research the update and installation of drivers on your own. [Notes] The only included item is the main unit, and there are no instruction manuals, etc. To use it, simply plug it into each port. No technical intervention such as settings or drivers is required. *We ship this product after confirming the connection at least twice, so if it does not respond or connect, it is likely a problem with the customer's PC. Please check the version and settings yourself. Due to the above reasons, if you wish to exchange the product, you will be responsible for the shipping costs. Thank you for your understanding.