# Bluetooth Adapter TP-Link UB400

**URL:** https://aio.lv/en/product--tp-link-ub400--1957362
**Data updated:** 2025-12-01 14:49 (EET)
**Category:** Network Cards
**Manufacturer:** TP-LINK
**Manufacturer code:** UB400
**EAN:** 6935364099664
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tp-link-ub400--1957362

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 17.06.2026 | 1.99 EUR |
| Courier delivery to door | 17.06.2026 | 4.99 EUR |

## Summary 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.

## Long 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

| Feature | Value |
|---|---|
| Quantity | 1 |
| Easy to install | Yes |
| Output interface | Bluetooth |
| Harmonized System (HS) code | 84733020 |
| Bluetooth Low Energy (BLE) | Yes |
| Sustainability certificates | RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Host interface | USB Type-A |
| Internal | No |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 4.0 |

### Performance

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Wireless range | 10 m |
| Hot-Plug support | Yes |
| Windows operating systems supported | Windows XP, Windows 8.1, Windows 8, Windows 7, Windows 10 |

### Design

| Feature | Value |
|---|---|
| Product colour | Black, Gold |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 18.9 mm |
| Width | 14.8 mm |
| Depth | 6.8 mm |
| Package depth | 102 mm |
| Package height | 23 mm |
| Package width | 118 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 5 - 90 |

### Certificates

| Feature | Value |
|---|---|
| Certification | FCC, CE, RoHS |

### Packaging content

| Feature | Value |
|---|---|
| Quick installation guide | Yes |

## 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 — 847 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 Friday 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/1957362/54731257_large.webp