The TP-Link UB500 Plus is a Bluetooth USB adapter designed to add wireless connectivity to your computer, allowing you to link various peripherals without needing internal hardware upgrades. It utilizes Bluetooth 5.3 technology via a USB 2.0 interface, which enables you to connect and manage up to seven different devices at the same time. To ensure a stable connection across a range of approximately 10 meters, this black dongle features an external high-gain antenna that can be adjusted by 180 degrees to better suit your desk layout. Measuring 81 x 42 x 16.8 mm, the adapter is built for use in environments with temperatures between 0°C and 40°C and is compatible with Windows 7, 8.1, 10, and 11, making it a practical choice for users who want to sync their headphones, mice, or keyboards to an older PC.