TP-LINK UB400 Bluetooth 4.0 Nano USB Adapter (V2) - supports Windows 11/10/8.1/8/7/XP
SKU: UB400-VER2Networking › Network Accessories
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The distributor has not yet confirmed the latest price and availability (last checked Jul 2, 2026)
092-251-4017Awaiting stock confirmationManufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
Compact USB adapter to add Bluetooth 4.0 functionality to computers without built-in Bluetooth. Easy to use—plug in and start working immediately
Key features
- Supports Bluetooth 4.0 with Low Energy (BLE) technology
- Backward compatible with Bluetooth V3.0/2.1/2.0/1.1
- Easy installation—no driver required for Windows 8/8.1/10
- Supports operating systems Windows 11/10/8.1/8/7/XP
- Maximum connectivity range up to 65 ft (20 m)
Product description
TP-LINK UB400 is a nano-sized Bluetooth 4.0 adapter designed to enhance wireless connectivity for computers without factory-installed Bluetooth. It supports Bluetooth Low Energy (BLE) technology and is backward compatible with Bluetooth V3.0/2.1/2.0/1.1, enabling connections to a wide range of Bluetooth devices such as headphones, mice, keyboards, projectors, or printers. No additional drivers are required for Windows 8, 8.1, and 10, ensuring quick and convenient setup. At just 14.8 × 6.8 × 18.9 mm, its compact size allows it to be plugged into any USB port without obstructing other devices
More features
- Operates in ambient temperatures from 0℃ to 40℃
- Supports storage temperatures from -40℃ to 70℃
- FCC and RoHS certified
- Ideal for connecting wireless headphones, mice, keyboards, or printers
Pros and limitations
Pros
- Compact size and lightweight for easy use without blocking USB ports.
- Plug-and-play compatibility with Windows 8/8.1/10 without requiring driver installation.
- Supports Bluetooth Low Energy technology for low power consumption.
- Compatible with various common Bluetooth devices.
- Up to 65 feet of wireless connectivity range for use across large areas.
Limitations
- Not supported on Mac or Linux operating systems.
- No LED indicator for connection status.
- Not supported for Bluetooth 5.0 or newer versions.
Who it is for
Ideal for users who need to add Bluetooth functionality to computers or laptops without built-in Bluetooth, such as connecting wireless headphones, mice, keyboards, or printers.
Connectivity
USB
Specifications (22)
- Use Case
- Adds Bluetooth functionality to computers without built-in Bluetooth
- Interface
- USB 2.0
- Power Source
- USB Bus Power
- Certification
- FCC, RoHS
- Compatibility
- Supports common Bluetooth devices such as headphones, mice, keyboards, printers, smartphones, tablets
- Driver Support
- Driver Free for Windows 8/8.1/10
- Frequency Band
- 2.4 GHz
- Connection Type
- Wired (USB)
- Package Content
- Bluetooth 4.0 Nano USB Adapter UB400, Quick Installation Guide
- Firmware Version
- 1
- Hardware Version
- V2
- Storage Humidity
- 5% ~ 90% non-condensing
- Bluetooth Version
- 4.0
- Operating Humidity
- 10% ~ 90% non-condensing
- Transmission Range
- up to 65 ft (20 m)
- Installation Method
- Plug and Play
- Storage Temperature
- -40℃ ~ 70℃ (-40℉ ~158℉)
- Operating Temperature
- 0℃ ~ 40℃ (32℉ ~104℉)
- Backward Compatibility
- Bluetooth V3.0/V2.1/V2.0/V1.1
- Dimensions (W x D x H)
- 0.58 × 0.27 × 0.74 in (14.8 × 6.8 × 18.9 mm)
- Operating System Support
- Windows 11/10/8.1/8/7/XP
- Bluetooth Low Energy (BLE)
- supports
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
Does UB400 support Windows 11?
Yes, it supports Windows 11/10/8.1/8/7/XP. Specifically, Windows 11 can be used immediately without installing additional drivers
Do I need to install drivers when using with Windows 7?
Yes, drivers are required for Windows 7 and XP. You can download them from the TP-Link website at https://www.tp-link.com/en/download/UB400.html
Can UB400 be used with Mac?
Does not support Mac or Linux operating systems. This adapter is designed exclusively for Windows
How far is the connectivity range of UB400?
Maximum connectivity range is up to 65 ft (approximately 20 m), depending on environmental conditions such as walls or signal interference
Does UB400 support Bluetooth 5.0?
Does not support Bluetooth 5.0. UB400 uses Bluetooth 4.0 standard, which supports Low Energy (BLE) technology but does not support new features of Bluetooth 5.0
Where does UB400 get its power?
Powered directly from the USB port (USB Bus Power), no external power adapter required, so it works immediately upon plugging into a computer
How many devices can the UB400 connect simultaneously?
The number of devices supported simultaneously is not specified in the documentation, but generally, Bluetooth 4.0 devices can connect to multiple devices at once, depending on the operating system and endpoint device capabilities.
Can the UB400 be used with a laptop that does not have Bluetooth?
Yes, absolutely. This adapter is designed to add Bluetooth functionality to laptops or computers that do not have Bluetooth built-in from the factory. Simply plug it in and it works immediately.
Is it in stock?
We are confirming the latest stock and price of the TP-LINK UB400 Bluetooth 4.0 Nano USB Adapter (V2) - supports Windows 11/10/8.1/8/7/XP 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?
The warranty follows the manufacturer's terms for each model; ask our sales team for the warranty period of this model. 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
According to the manufacturer's terms for each model
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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