TP-Link TL-UB400 Bluetooth 5.0 Nano USB Adapter Product Description
The TP-Link TL-UB400 Bluetooth 5.0 Nano USB Adapter is a compact, high-performance accessory designed to add Bluetooth connectivity to laptops, desktops, and other USB-enabled devices. Released in 2019, this nano-sized adapter supports Bluetooth 5.0 for stable, low-latency connections up to 20 meters, making it ideal for wireless headphones, mice, keyboards, printers, and speakers. Its ultra-small form factor (0.7 x 0.9 x 0.3 inches, 0.02 lbs) ensures it stays plugged in without obstructing ports, perfect for travel or cramped workspaces. The adapter delivers enhanced data transfer rates (up to 3Mbps) and improved power efficiency compared to Bluetooth 4.0, supporting simultaneous pairing with multiple devices. Plug-and-play setup requires no drivers for Windows 10/11, macOS 10.11+, and Chrome OS, with backward compatibility for Bluetooth 4.2/4.0 devices. It includes WPA2 security for safe connections and is backward compatible with older Bluetooth standards.
Key Features
- Bluetooth 5.0 Connectivity: Stable pairing up to 20 meters with low latency.
- Nano-Sized Design: Ultra-compact to stay plugged in without obstruction.
- Multi-Device Support: Pairs with headphones, mice, keyboards, and printers.
- Enhanced Data Transfer: Up to 3Mbps speeds for efficient wireless performance.
- Plug-and-Play: No drivers needed for Windows 10/11, macOS, Chrome OS.
- Backward Compatibility: Works with Bluetooth 4.2/4.0 devices.
- Power Efficiency: Lower consumption for longer device battery life.
- WPA2 Security: Protects connections from unauthorized access.
Specifications
- Model: TL-UB400
- Bluetooth Version: 5.0
- Range: Up to 20 meters
- Data Rate: Up to 3Mbps
- Interface: USB 2.0
- Compatibility: Windows 10/11, macOS 10.11+, Chrome OS
- Dimensions: 0.7 x 0.9 x 0.3 inches (18 x 23 x 8 mm)
- Weight: 0.02 lbs (10 g)
- Operating Temperature: 0°C to 40°C
- Warranty: 2-year limited
- Color: Black
- Accessories: Quick installation guide
- UPC: 845973003732
Why Choose the TP-Link TL-UB400 Bluetooth Adapter?
The TP-Link TL-UB400 is a must-have for adding Bluetooth to older devices, offering 5.0 speeds and a nano design for unobtrusive use. Its plug-and-play simplicity and multi-device support make it versatile for headphones, peripherals, and streaming, while WPA2 security ensures safe connections. The 20-meter range and low latency suit home offices or travel, and backward compatibility adds flexibility. Though limited to USB 2.0, its 2-year warranty and affordability make it a reliable choice.
Note: Requires USB port; performance varies by device.



