TP-Link UB400 Bluetooth 4.0 Nano USB Adapter
The TP-Link UB400 Bluetooth 4.0 Nano USB Adapter brings reliable, energy-efficient wireless connectivity to your desktop or laptop computer. Built on Bluetooth 4.0 with Low Energy (BLE) technology, it provides a fast and stable wireless link to Bluetooth-enabled devices such as headsets, keyboards, mice, game controllers, and smartphones.
Key Features
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Bluetooth 4.0 + BLE Technology
Utilizes advanced Bluetooth 4.0 with Low Energy support for reduced power consumption and backward compatibility with Bluetooth 3.0, 2.1, 2.0, and 1.1 devices. -
Plug and Play for Windows 8/10/11
No drivers required for Windows 8 and above — simply plug in and start pairing instantly. -
Nano-Sized Design
Ultra-compact adapter fits flush in USB ports, making it ideal for laptops and portable use. -
Extended Range Connectivity
Provides stable connections up to 65 feet (20 meters) in open environments. -
Universal Compatibility
Supports Bluetooth peripherals including headsets, controllers, printers, smartphones, and tablets. -
Energy-Efficient Operation
BLE reduces power usage while maintaining consistent data transmission. -
Certified and Compliant
Fully compliant with FCC and RoHS standards for quality and environmental safety.
Specifications
| Feature | Specification |
|---|---|
| Model | TP-Link UB400 |
| Type | Bluetooth 4.0 Nano USB Adapter |
| Interface | USB 2.0 |
| Bluetooth Standard | Bluetooth 4.0 + BLE |
| Backward Compatibility | Bluetooth 3.0 / 2.1 / 2.0 / 1.1 |
| Transmission Distance | Up to 65 ft. (20 m) |
| Data Rate | Up to 3 Mbps |
| Supported OS | Windows 11/10/8.1/8/7/XP |
| Plug and Play | Yes (Windows 8 and above) |
| Dimensions (W × D × H) | 14.8 × 6.8 × 18.9 mm (0.58 × 0.27 × 0.74 in) |
| Operating Temperature | 0°C ~ 40°C (32°F ~ 104°F) |
| Storage Temperature | -40°C ~ 70°C (-40°F ~ 158°F) |
| Operating Humidity | 10% ~ 90% (non-condensing) |
| Storage Humidity | 5% ~ 90% (non-condensing) |
| Certifications | FCC, RoHS |
| Power Consumption | < 0.5 W typical |
| Range Class | Bluetooth Class 2 Device |
What’s in the Box
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1 × TP-Link UB400 Bluetooth 4.0 Nano USB Adapter
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Quick Installation Guide
Why Choose TP-Link UB400
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Converts non-Bluetooth PCs or laptops into Bluetooth-enabled systems.
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Stable, energy-efficient wireless connectivity using BLE technology.
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Compact and durable design allows permanent insertion in any USB port.
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Backward compatible with legacy Bluetooth versions for wide device support.
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Plug-and-play functionality minimizes setup time and maintenance.
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Backed by TP-Link’s proven reliability and global support network.
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