The TP-Link UB400 is a compact and portable Bluetooth 4.0 Nano USB adapter that enables your non-Bluetooth PC or laptop to connect wirelessly with various Bluetooth devices, such as headphones, speakers, mice, keyboards, and more. It’s plug-and-play for Windows 8, 8.1, and 10, making it easy to set up and use.

Specifications:

1. Bluetooth Version: 4.0 with Low Energy (BLE)
2. Supported Operating Systems: Windows 8, 8.1, 10, 11 (drivers required for Windows 7 and earlier)
3. Interface: USB 2.0
4. Data Transfer Rate: Up to 3 Mbps
5. Range: Up to 10 meters (33 feet)
6. Dimensions: 20.8 x 16.6 x 6.6 mm (0.82 x 0.65 x 0.26 inches)
7. Weight: 2 grams (0.07 ounces)
8. Warranty: 2 years

Features:

1. Plug-and-Play: Easy to set up and use on Windows 8, 8.1, and 10.
2. Low Energy Consumption: Bluetooth 4.0 with BLE technology helps to save battery life.
3. Compact and Portable: The small size makes it easy to take with you wherever you go.
4. Wide Compatibility: Connects with a variety of Bluetooth devices, including headphones, speakers, mice, keyboards, and more.
5. Multiple Connections: Supports up to 7 simultaneous Bluetooth connections.
6. Advanced Security: Features AES-128 encryption for secure data transmission.
7. Reliable Performance: Provides a stable and reliable Bluetooth connection.