The TP-Link UB400 Bluetooth 4.0 Nano USB Adapter is a compact and reliable device that instantly adds Bluetooth functionality to your desktop or laptop computer. Designed with Bluetooth 4.0 technology and Enhanced Data Rate (EDR), it ensures faster data transmission, reduced latency, and stable wireless connections for a wide range of devices.

With a plug-and-play design for Windows 8, 8.1, 10, and 11, the UB400 makes pairing effortless—simply insert it into a USB port to connect Bluetooth-enabled devices such as headsets, speakers, keyboards, mice, game controllers, and smartphones. For Windows 7 users, an easy driver installation from TP-Link’s official website enables quick setup.

Its ultra-small nano form factor allows you to keep the adapter plugged in without interference, making it ideal for both laptops and desktops. Despite its compact size, it delivers a wireless range of up to 20 meters (in open space), ensuring consistent performance for both home and office use.

The UB400 is backward compatible with previous Bluetooth versions (3.0, 2.1, 2.0, and 1.1), guaranteeing compatibility with most Bluetooth devices. It also features low energy consumption, extending battery life for connected peripherals. The gold-plated USB interface enhances signal quality and protects against corrosion for long-term durability.

Whether you want to stream music to Bluetooth speakers, connect wireless peripherals, or sync your smartphone, the TP-Link UB400 Bluetooth 4.0 Nano USB Adapter provides a simple, fast, and efficient solution for adding wireless convenience to your computer setup.