TP-Link UB400 Bluetooth 4.0 Nano USB Adapter
SKU: UB400Networking › Network Accessories
Please enquire before ordering
The distributor has not yet confirmed the latest price and availability (last checked Jun 15, 2026)
092-251-4017Awaiting stock confirmation2 years manufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
Compact USB adapter to add Bluetooth 4.0 functionality to computers without built-in Bluetooth, supporting fast and stable wireless connectivity with devices such as headphones, keyboards, mice, and printers.
Key features
- Supports Bluetooth 4.0 with Low Energy (BLE) technology.
- Compact and lightweight design for easy portability.
- Maximum connection range up to 65 feet.
- Plug and Play operation on Windows 8/8.1/10.
- Supports multiple wireless devices such as headphones, mice, and keyboards.
Product description
The TP-Link UB400 is a Nano USB Bluetooth 4.0 adapter designed to enhance wireless connectivity for computers or laptops without built-in Bluetooth. It uses Bluetooth Low Energy (BLE) technology for low power consumption and fully supports backward compatibility with Bluetooth V3.0/2.1/2.0/1.1. Measuring just 14.8 × 6.8 × 18.9 mm, its compact size allows immediate connection to any USB port without removal, making it highly portable and usable anywhere. It supports Windows 11/10/8.1/8/7/XP and offers Plug and Play functionality on Windows 8, 8.1, and 10 without requiring additional driver installation.
More features
- Instantly installable and removable without removal.
- Supports operating systems from Windows 11 down to XP.
- Ideal for computers without built-in Bluetooth.
- Designed for durability in various environments.
- Supports both older and newer Bluetooth devices.
Pros and limitations
Pros
- Compact and lightweight for easy portability.
- Supports Bluetooth 4.0 and backward compatibility with older versions.
- Plug and Play operation on Windows 8/10 without driver installation.
- Connection range up to 65 feet.
- Supports various wireless devices such as headphones, mice, and keyboards.
Limitations
- Additional drivers required for Windows 7/XP.
- No LED indicator for connection status.
- Supports only Windows operating systems.
Who it is for
Ideal for users who want to add Bluetooth functionality to a computer or laptop that lacks built-in Bluetooth, especially those who need to quickly and easily connect wireless devices such as headphones, keyboards, mice, or printers.
Connectivity
USB
Specifications (23)
- Weight
- Approx. 3.5 g
- Interface
- USB 2.0
- Power Source
- USB Bus Power
- Certification
- FCC, RoHS
- Compatibility
- Compatible with Bluetooth-enabled devices including headsets, keyboards, mice, printers, smartphones, tablets
- Frequency Band
- 2.4 GHz ISM band
- Connection Type
- Wireless (Bluetooth)
- Mounting Option
- USB port plug-in only
- Package Content
- Bluetooth 4.0 Nano USB Adapter UB400, Quick Installation Guide
- Storage Humidity
- 5% ~ 90% non-condensing
- Bluetooth Version
- 4.0
- Security Features
- Secure pairing, encryption support
- Supported Devices
- Bluetooth Headset, Game Controller, Bluetooth Mouse, Bluetooth Keyboard, Bluetooth Printer, Smartphone/Tablet
- Data Transfer Rate
- Up to 1 Mbps
- Driver Requirement
- Plug and Play for Windows 8/8.1/10; Driver required for Windows 7/XP
- Low Energy Support
- Yes
- Operating Humidity
- 10% ~ 90% non-condensing
- Transmission Range
- Up to 65 ft (20 m)
- Bluetooth Standards
- Bluetooth V3.0/2.1/2.0/1.1
- Storage Temperature
- -40℃ ~ 70℃ (-40℉ ~158℉)
- Operating Temperature
- 0℃ ~ 40℃ (32℉ ~104℉)
- Dimensions (W x D x H)
- 0.58 × 0.27 × 0.74 in (14.8 × 6.8 × 18.9 mm)
- Operating System Compatibility
- Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7, Windows XP
Compatibility
Windows XP/7/8/8.1/10/11
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Can the UB400 be used with Windows 7?
Yes, but additional drivers must be installed from the TP-Link website. Download available at https://www.tp-link.com/en/download/UB400/
How far is the UB400's connection range?
Maximum connection range up to 65 feet (approximately 20 meters), depending on environment and obstacles.
Does the UB400 support Bluetooth 3.0?
Yes, the UB400 fully supports backward compatibility with Bluetooth V3.0/2.1/2.0/1.1.
Do I need to install drivers when using it on Windows 10?
No, it is not necessary. On Windows 10, it works immediately with Plug and Play without additional driver installation.
Where does the UB400 get its power?
It draws power directly from the USB port; no external power adapter is required.
Does the UB400 support simultaneous connections to multiple devices?
Yes, the UB400 supports simultaneous connections to multiple Bluetooth-enabled devices such as headphones, keyboards, and mice.
Can the UB400 be used with Mac?
Not directly supported, as drivers and software are available only for Windows.
Does the UB400 have an LED status indicator?
No LED indicator for connection status, but Windows will notify when a connection is successfully established.
Is it in stock?
We are confirming the latest stock and price of the TP-Link UB400 Bluetooth 4.0 Nano USB Adapter with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
Warranty period: 2-year warranty (manufacturer's terms). To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
2-year warranty
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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