# Bluetooth USB Adapter ASUS USB-BT540 Bluetooth 5.4 USB — compact USB dongle for PC and laptop

**URL:** https://aio.lv/en/product--asus-usb-bt540--11632090
**Data updated:** 2026-05-11 17:49 (EEST)
**Category:** Network Cards
**Manufacturer:** Asus
**Manufacturer code:** USB-BT540
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-usb-bt540--11632090

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

ASUS USB-BT540 is a compact USB Bluetooth adapter supporting Bluetooth 5.4. It connects to desktops and laptops via USB to add or upgrade wireless Bluetooth functionality for headsets, keyboards, mice, speakers and other peripherals. Designed for simple plug-and-play installation, it provides low-latency wireless connections and broad device compatibility for everyday use and multimedia tasks.

## Long description

The ASUS USB-BT540 is a high-performance Bluetooth USB adapter designed to provide seamless wireless connectivity for your desktop or laptop. By utilizing the latest Bluetooth 5.4 technology, this compact dongle enables your computer to communicate efficiently with a wide range of wireless peripherals, ensuring stable and reliable connections for your daily computing needs.
Advantages
This adapter offers significant improvements in wireless efficiency and connection stability due to its support for the Bluetooth 5.4 standard. Its ultra-compact design ensures that it does not obstruct adjacent ports on your computer, making it an ideal choice for laptops with limited space. The plug-and-play functionality allows for quick and effortless setup without the need for complex manual driver installations on most modern operating systems, providing an immediate upgrade to your system's wireless capabilities.
Suitable for
Connecting wireless headsets and headphones for audio streaming
Pairing wireless keyboards and mice for a clutter-free workspace
Connecting Bluetooth-enabled speakers for multimedia playback
Transferring files between mobile devices and your computer
When it may not be suitable
This device is intended for standard peripheral connectivity and may not be suitable for specialized industrial applications requiring long-range signal transmission or high-bandwidth data streaming beyond the capabilities of the Bluetooth 5.4 standard. It is also not designed to replace dedicated Wi-Fi network adapters.
Key specifications
Bluetooth version: 5.4
Interface: USB Type-A
Compatibility: Desktops and laptops
Installation: Plug-and-play
How to use
To use the ASUS USB-BT540, simply insert the adapter into an available USB port on your computer. The operating system will automatically detect the device and configure the necessary drivers. Once installed, open your computer's Bluetooth settings menu, ensure Bluetooth is turned on, and select the option to add a new device. Put your peripheral device into pairing mode and select it from the list on your screen to complete the connection.
What to consider before purchase
Ensure your computer has an available USB Type-A port
Check if your operating system supports the latest Bluetooth standards
Verify that your peripheral devices are compatible with Bluetooth technology
Usage recommendations
For optimal performance, insert the adapter directly into a USB port on your computer rather than using a USB hub, as this ensures the most stable signal and lowest latency for your connected peripherals.

## FAQ

### How much does the Bluetooth USB Adapter ASUS USB-BT540 cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 01.07.2026 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: Cash payment, 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 Asus 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 Asus 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