AC USB adapter instantly upgrades your Windows-based laptop or PC to the latest Wi-Fi standard. This effectively makes your computer an MU-MIMO device and allows the Wi-Fi signal in your home or office to be distributed more efficiently to more Wi-Fi devices for stronger overall Wi-Fi coverage. Next-Gen AC Wi-Fi MU-MIMO technology delivers exceptional speed and performance to your Windows-based notebook, laptop or desktop computer. It allows you to binge-watch your favorite shows, play online games and download large files with supercharged AC Wi-Fi speeds that are three times faster than Wireless-N. Selectable dual band operates on either band to help avoid interference. Advanced wireless security protects your network with wireless WPA/WPA2 encryption and Wi-Fi protected setup. Whether it's plugged into your laptop's USB port or stowed in your briefcase, the adapter's tiny, lightweight design is discreet and portable.