TP-LINK UB400 Bluetooth 4.0 Nano USB Adapter - External - USB 2.0 - for PC/Notebook
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Product Features
Technical Overview
The UB400 operates on the Bluetooth 4.0 standard, supporting data rates and profiles compatible with common Bluetooth accessories. It connects via a USB 2.0 host interface, providing sufficient bandwidth for audio streaming, file transfers, and peripheral synchronization without requiring external power.
Technical specifications include a wireless transmission range of up to 65 feet (20 meters) in open environments, allowing flexible placement of connected devices. The adapter functions within an operating temperature range of 0°C to 40°C (32°F to 104°F), ensuring reliable performance in typical indoor conditions.
Relevant factors for this section include Bluetooth Standard, Host Interface. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The UB400 simplifies Bluetooth integration for PCs and notebooks, eliminating the need for internal hardware upgrades or complex configurations. Its nano design ensures minimal footprint, while robust wireless performance supports diverse usage scenarios from audio streaming to peripheral connectivity.
Broad Compatibility
Supports Windows 10, 8.1, 8, 7, and XP with appropriate drivers, though it is not compatible with macOS, Linux, or televisions. Enables use of PS4 and Xbox controllers on PC when configured properly.
- Windows 10/8.1/8 plug-and-play
- Driver download for Win7/XP
- PC-only use
Reliable Connectivity
Utilizes Bluetooth Low Energy technology to maintain stable connections while conserving power, suitable for continuous operation with Bluetooth headsets, keyboards, mice, and other accessories.
- Stable up to 65 ft
- Low energy consumption
- Continuous operation
Deployment / Use Cases
Deploy the UB400 to enable Bluetooth functionality on legacy or budget PCs lacking integrated Bluetooth, or to add additional Bluetooth ports to systems with limited built-in capabilities. It is ideal for office environments requiring wireless headsets for VoIP calls, home setups connecting speakers or controllers, and mobile professionals needing compact connectivity on the go.
Common use cases include pairing with Bluetooth headsets for clear audio during video conferences, connecting wireless keyboards and mice to reduce desktop clutter, streaming music to Bluetooth speakers, and syncing files with smartphones or tablets. The adapter also supports gaming controllers like PS4 and Xbox pads for PC gaming when used with appropriate software.
Office Productivity
Connect wireless headsets and input devices to maintain a tidy workspace and facilitate hands-free communication during meetings.
Home Entertainment
Stream audio to Bluetooth speakers or headphones from a media center PC, and use controllers for gaming without wired limitations.
Physical Profile
The UB400 features an external nano form factor measuring 0.74 inches in height, 0.58 inches in width, and 0.27 inches in depth (18.90 × 14.80 × 6.80 mm), allowing it to fit snugly in any USB port without protruding significantly. Its sleek design and compact dimensions make it practical for travel or permanent installation, with no need for removal when not in active use.
- Width
- 0.58" (14.80 mm)
- Depth
- 0.27" (6.80 mm)
- Height
- 0.74" (18.90 mm)
What's in the Box
The package includes the Bluetooth 4.0 Nano USB Adapter and a Quick Installation Guide to assist with setup and driver installation where required.
Package contents include Bluetooth 4.0 Nano USB Adapter Quick Installation Guide, Bluetooth 4.0 Nano USB Adapter. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- Adds Bluetooth 4.0 connectivity to PCs and notebooks via USB 2.0
- Nano-sized design for discreet, permanent installation in any USB port
- Plug-and-play for Windows 8, 8.1, 10, and 11; driver support for Windows 7 and XP
- Transmission range up to 65 feet for flexible device placement
- Backward compatible with Bluetooth 3.0, 2.1, 2.0, and 1.1 devices
- Utilizes Bluetooth Low Energy technology for efficient power use
- Enables wireless headsets, controllers, printers, and phones
- Not compatible with macOS, Linux, or televisions; PC use only
- Includes 2-year limited warranty and RoHS/WEEE compliance
- Operating temperature range of 0°C to 40°C (32°F to 104°F)
Specifications
| Specifications | |
|---|---|
| Manufacturer | TP-LINK Technologies Co., Ltd |
| Manufacturer Part Number | UB400 |
| Brand Name | TP-Link |
| Product Model | UB400 |
| Product Name | Bluetooth 4.0 Nano USB Adapter |
| Product Type | Bluetooth Adapter |
| Technical Information | |
| Bluetooth Standard | Bluetooth 4.0 |
| Interfaces/Ports | |
| Host Interface | USB 2.0 |
| Physical Characteristics | |
| Form Factor | External |
| Height | 0.74" (18.90 mm) |
| Width | 0.58" (14.80 mm) |
| Depth | 0.27" (6.80 mm) |
| Miscellaneous | |
| Package Contents | Bluetooth 4.0 Nano USB Adapter Quick Installation Guide |
| Device Supported | Computer,Notebook |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What operating systems does the TP-Link UB400 support?
The UB400 supports Windows 10, 8.1, 8, 7, and XP. For Windows 8, 8.1, 10, and 11, it operates as plug-and-play with no additional drivers required. Windows 7 and XP require a driver, which can be downloaded free from TP-Link's website. It is not compatible with macOS, Linux, or televisions.
What is the wireless range of this Bluetooth adapter?
The UB400 has a transmission distance of up to 65 feet (approximately 20 meters) in open environments. This range allows you to use Bluetooth headsets, speakers, or other peripherals without staying close to the computer, providing flexibility in home or office setups.
Can I use this adapter with gaming controllers like PS4 or Xbox?
Yes, the UB400 enables PS4 and Xbox controllers to connect to a PC via Bluetooth for gaming. However, it is important to note that the adapter is for PC use only; it cannot be used directly with PlayStation or Xbox consoles. Proper configuration through PC gaming software may be required.
Does the UB400 support Bluetooth Low Energy?
Yes, the adapter utilizes Bluetooth Low Energy technology, which helps conserve power while maintaining stable wireless connections. This makes it suitable for continuous use with peripherals like headsets or keyboards without significantly impacting system battery life on notebooks.
What are the physical dimensions of the adapter?
The UB400 measures 0.74 inches in height, 0.58 inches in width, and 0.27 inches in depth (18.90 × 14.80 × 6.80 mm). Its nano-sized form factor allows it to remain plugged into a USB port without obstructing adjacent ports, making it ideal for travel or permanent installation.
What warranty does TP-Link provide for the UB400?
TP-Link offers a 2-year limited warranty for the UB400 Bluetooth adapter, covering defects in materials and workmanship under normal use. The product also complies with environmental standards such as RoHS and WEEE, reflecting TP-Link's commitment to quality and sustainability.
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