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header-product Bluetooth Adapter TP-Link UB400
6.99 €

Bluetooth Adapter TP-Link UB400

Fast delivery available
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Bluetooth Adapter TP-Link UB400

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Short description

The TP-Link UB400 is a compact Bluetooth adapter with a USB Type-A interface, offering a wireless range of up to 10 meters. It supports various Windows operating systems including Windows 10, 8.1, 8, 7, and XP. With its sleek black and gold design, this adapter is FCC, CE, and RoHS certified, ensuring safety and reliability. Dimensions are 14.8mm x 6.8mm x 18.9mm, making it portable and easy to use.
Available at price 6.99 €: 20 pcs.
Total available for order: 577 pcs.
Warranty: 2 Years
SKU: 1957362
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
12.11.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
17.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.35 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
17.11.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

UB400 Bluetooth USB adapter enables computers and laptops without built-in Bluetooth to connect to Bluetooth devices. The nano-sized USB dongle provides a simple way to add Bluetooth functionality for wireless headsets, speakers, mice and keyboards, supporting a reliable connection up to 10 m.

Advantages

The UB400 offers plug-and-play compatibility with Windows 8, Windows 8.1 and Windows 10, requiring no driver installation for these systems. Its ultra-compact, low-profile design can remain inserted in a USB port during travel or everyday use. The adapter supports stable audio and data transmission within a broad operating range for convenient wireless use.

Key specifications

  • Interface: USB nano adapter
  • Compatible OS: Windows 8, Windows 8.1, Windows 10 (plug and play)
  • Range: up to 10 m transmission distance
  • Form factor: ultra-small / low-profile nano design
  • Use cases: Bluetooth headsets, speakers, mice, keyboards

How to use

Insert the UB400 nano USB adapter into an available USB port on a compatible Windows 8/8.1/10 computer. The system should recognize the adapter automatically; once detected, open Bluetooth settings on your computer and pair the desired Bluetooth device following the usual pairing procedure. Leave the adapter in the USB port for continuous availability.

Recommendations

For reliable wireless audio and peripheral connections keep the paired Bluetooth device within the recommended range (up to 10 m) and avoid physical obstacles or strong radio interference between the adapter and the device.

Specifications

Host interface: Interface that enables a host controller to communicate with a driver.
USB Type-A
Product colour: The colour e.g. red, blue, green, black, white.
Black, Gold
All features
Quantity: The number of products there are.
1
Easy to install:
Yes
Output interface: The socket (port) where the output connectors are connected.
Bluetooth
Harmonized System (HS) code:
84733020
Bluetooth Low Energy (BLE):
Yes
Sustainability certificates:
RoHS

Ports & interfaces

Host interface: Interface that enables a host controller to communicate with a driver.
USB Type-A
Internal: The product is built in.
No

Network

Bluetooth version: The type of bluetooth technology in the product e.g. Bluetooth Smart (v4.0).
4.0

Performance

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
Yes
Wireless range:
10 m
Hot-Plug support: Device has hot-plug capability, which means that user can replace system components without shutting down the system.
Yes
Windows operating systems supported: Windows vesions wich can be used with the device.
Windows XP, Windows 8.1, Windows 8, Windows 7, Windows 10

Design

Product colour: The colour e.g. red, blue, green, black, white.
Black, Gold

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
18.9 mm
Width: The measurement or extent of something from side to side.
14.8 mm
Depth: The distance from the front to the back of something.
6.8 mm
Package depth: The distance from the front to the back of the packaging.
102 mm
Package height: The distance from the top to the bottom of the packaging.
23 mm
Package width: The distance from one side of the packaging to the other.
118 mm

Operational conditions

Operating relative humidity (H-H):
10 - 90
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-40 - 70
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40
Storage relative humidity (H-H):
5 - 90

Certificates

Certification:
FCC, CE, RoHS

Packaging content

Quick installation guide:
Yes

Description

Machine translation.

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Product comparison

The Bluetooth Adapter TP-Link UB400 is compared against several alternative solutions from the same manufacturer, including other versions of Bluetooth adapters, combined PCIe network cards, and a wireless Wi-Fi adapter. All these devices are designed for wireless connectivity, but they differ significantly in interface type, supported standards, and intended use. While the Bluetooth Adapter TP-Link UB400 is a compact solution for basic Bluetooth connectivity via USB, alternative models offer newer Bluetooth versions, high-speed Wi-Fi, or specialized internal installation.

⚙️ Below is a comparison of characteristics such as host interface type, supported communication technologies, wireless standards, and physical design features.

SpecificationBluetooth Adapter TP-Link UB400Bluetooth Adapter TP-Link UB500 Plus USB Type-A Male BlackBluetooth Adapter TP-Link UB500PCIe Adapter TP-Link AX3000 Wi-Fi 6 Bluetooth 5.0PCIe Adapter TP-Link AX1800 Wi-Fi 6 Bluetooth 5.2Wireless Adapter TP-Link TL-WN822NPractical Conclusion
Host InterfaceUSB Type-AUSB Type-AUSB Type-APCI ExpressPCI ExpressMini-USBUSB solutions are portable and suit any PC or laptop, whereas PCIe models require an available internal desktop slot.
Connectivity TypeBluetoothBluetoothBluetoothWLAN / BluetoothWLAN / BluetoothWLANWLAN models handle wireless internet access, while pure Bluetooth adapters serve for connecting peripherals.
Features and StandardsCompact size, range up to 10 metersCompact design for PCs and notebooksBluetooth 5.0 for a more stable connectionWi-Fi 6, speeds up to 2402 Mbit/sWi-Fi 6, Bluetooth 5.2Wi-Fi 4, speeds up to 300 Mbit/s with dual external antennasThe choice depends on whether you need only peripherals, high-speed gaming internet, or extended-range Wi-Fi.

◎ The table below evaluates how well each device matches different user needs and use cases.

Use CaseRecommended ProductWhy
Basic connection of mice, keyboards, and headsets to an older PC or laptopBluetooth Adapter TP-Link UB400Provides a straightforward and portable USB connection supporting a wide range of Windows operating system versions.
Upgrading a PC with newer Bluetooth versionsBluetooth Adapter TP-Link UB500 or Bluetooth Adapter TP-Link UB500 Plus USB Type-A Male BlackOffer updated Bluetooth 5.0 technology for a more stable connection and faster data transfer.
Gaming and streaming requiring fast Wi-Fi alongside BluetoothPCIe Adapter TP-Link AX3000 Wi-Fi 6 Bluetooth 5.0 or PCIe Adapter TP-Link AX1800 Wi-Fi 6 Bluetooth 5.2Installed internally inside a desktop PC, providing high-speed Wi-Fi 6 wireless connectivity and modern Bluetooth versions.
Setting up a wireless Wi-Fi network with improved signal receptionWireless Adapter TP-Link TL-WN822NFeatures dual external antennas to ensure a stable connection and improved Wi-Fi signal strength.
The Bluetooth Adapter TP-Link UB400 is best suited for users who need a straightforward, highly compact USB solution exclusively for adding Bluetooth functionality to a system running older or standard Windows OS versions. If you require a newer Bluetooth version, high-speed Wi-Fi connectivity, or internal desktop installation, one of the alternative models will be more suitable.
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Stock data
Warehouse Stock Delivery to the store Store Price
WH112 20 12.11.2026
6.99 €
WH186 3 Wednesday
7.49 €
BT14 30 Monday Best delivery
Fast shipping
7.99 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH332 50 23.11.2026
8.49 €
BT11 131 27.11.2026
8.99 €
EU6 22 20.11.2026
11.99 €
6.99 €
Stock: 20
Delivery Date: 12.11.2026
Warehouse: WH112
7.49 €
Stock: 3
Delivery Date: Wednesday
Warehouse: WH186
Fast shipping
7.99 €
Stock: 30
Delivery Date: Monday Best delivery
Warehouse: BT14
8.49 €
Stock: 50
Delivery Date: 23.11.2026
Warehouse: WH155
Fast shipping
8.99 €
Stock: 1
Delivery Date: Tuesday
Warehouse: WH153
9.49 €
Stock: 3
Delivery Date: 23.11.2026
Warehouse: WH115
9.49 €
Stock: 30
Delivery Date: 17.11.2026
Warehouse: EU1
9.99 €
Stock: 4
Delivery Date: 13.11.2026
Warehouse: BT34
9.99 €
Stock: 20
Delivery Date: 23.11.2026
Warehouse: EU85
9.99 €
Stock: 26
Delivery Date: 12.11.2026
Warehouse: WH360
9.99 €
Stock: 30
Delivery Date: 01.12.2026
Warehouse: EU58
9.99 €
Stock: 140
Delivery Date: Wednesday
Warehouse: EU2
13.99 €
Stock: 17
Delivery Date: 17.11.2026
Warehouse: WH337
Available only for legal entities
8.49 €
Stock: 50
Delivery Date: 23.11.2026
Warehouse: WH332
8.99 €
Stock: 131
Delivery Date: 27.11.2026
Warehouse: BT11
11.99 €
Stock: 22
Delivery Date: 20.11.2026
Warehouse: EU6

Customer reviews

Customer questions

FAQ

How much does the Bluetooth Adapter TP-Link UB400 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 577 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 12.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All TP-LINK products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TP-LINK service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Bluetooth Adapter TP-Link UB400?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.