The Bluetooth 4.0 USB Adapter is a small, plug-and-play device that adds Bluetooth functionality to your computer or laptop. It allows you to wirelessly connect to Bluetooth-enabled devices such as headphones, keyboards, mice, and smartphones. With support for Bluetooth 4.0 technology, this adapter offers improved data transfer speeds, extended range, and better power efficiency compared to earlier versions. Easy to install and use, it enhances your device’s connectivity options and supports a range of wireless peripherals.