What can I do if the adapter doesn’t work properly or Is your Bluetooth driver displaying an error with a yellow mark?

1.Please disable the PC/Laptop itself built-in Bluetooth devices, If don’t know what devices that you should disable, please take one screenshot for us and we will help you. 2.If driver error, right click and then click on 'Update Driver' .

Can the BU03 support more than one device at the same?

Yes and the Bluetooth adapter can support up to 7 devices to work together at a time. Another, the two of BU03 adapter can be paired and connected by each other.

What OS are compatible with the USB Bluetooth dongle?

1.Current supports OS including Windows 11/10/8.1/7, driver required for Windows 7. 2.Doesn’t work with any Mac OS, Windows 8/XP/Vista. 3.Doesn’t work with any TV/game console or Car Stereo. 4.Some customers tested that it can work great with Linux.

How long is the Bluetooth range for the Bluetooth adapter?

The Bluetooth range will be affected by the other paired Bluetooth device, also vary as a result of the surrounding environment, including other wireless signal, building materials etc. Claimed coverage is based on theoretical testing in open area.

Why don’t the BU03 Bluetooth USB dongle pair with my Headset or earbuds?

Please turn off Bluetooth function of your other devices, such as your cellphone to avoid your Bluetooth headset or earbuds wrong reconnection with your cellphone and don’t enter into pairing status. This is very important.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Upgraded USB Bluetooth 5.4 Adapter for PC Laptop, Wireless Dongle for Windows 11 10 8.1 7 OS Desktop Computer, Plug n Play Bluetooth Headset Headphones Speaker Keyboard Mouse

Upgraded USB Bluetooth 5.4 Adapter for PC Laptop, Wireless Dongle for Windows 11 10 8.1 7 OS Desktop Computer, Plug n Play Bluetooth Headset Headphones Speaker Keyboard Mouse

Product ID: 657566318

Details

Brand
hakimonoe
Colour
Black
Hardware interface
Bluetooth 4.0
Product dimensions
25L x 15W x 5H

⚡48 Mbps ultra-fast transfer

📶20m extended wireless range

🔗Bluetooth 5.4 latest tech

€ 32.74

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

Description

🚀 Upgrade your PC’s wireless game with the ultimate Bluetooth 5.4 dongle!

MULTI DEVICE SYNC - Connect up to 5 devices simultaneously without interference—work smarter, not harder.
COMPACT NANO DESIGN - Discreet, travel-friendly dongle that stays plugged in—Bluetooth freedom wherever you go.
PLUG PLAY SIMPLICITY - Instantly enable Bluetooth on your Windows PC—no hassle, no delay, just pure productivity.
ULTRA FAST DATA TRANSFER - Streamline your workflow with blazing speeds up to 48 Mbps for files, music, and calls.
SEAMLESS BLUETOOTH 5 4 CONNECTIVITY - Experience cutting-edge wireless tech with backward compatibility for all your devices.

The Hakimonoe BT542 USB Bluetooth 5.4 adapter transforms any Windows 7 to 11 PC or laptop into a powerful wireless hub. Supporting up to 5 devices simultaneously, it delivers ultra-fast 48 Mbps data transfer speeds and a stable connection up to 20 meters. Its plug-and-play design ensures effortless setup, while the nano-sized form factor offers portability and convenience for professionals on the move.

Specifications

Asin	B0DDLCH651
Brand	hakimonoe
Built In Media	1 x BT542 Bluetooth 5.4 USB Adapter, 1 x User Manual
Color	Black
Compatible Devices	Windows 11/10/8.1/7 PC, Laptop, Desktop, Bluetooth Headset/Headphones/Speakers, Keyboard/Mouse, Smartwatch/Printer/Mobile Phone/Tablet
Compatible Operating System Family	Windows
Customer Reviews	4.3 4.3 out of 5 stars (233) 4.3 out of 5 stars
Data Link Protocol	High-Speed USB 2.0, Latest Bluetooth 5.4 BR/EDR+BLE(Low Energy)
Data Transfer Rate	48 Megabits Per Second
Hardware Interface	Bluetooth 4.0, Bluetooth 5, USB 2.0
Item Dimensions L X W X H	25L x 15W x 5H millimeters
Item Weight	5 Grams
Manufacturer	SHEN ZHEN SHI XIN HUA TIAN TECHNOLOGY CO., LTD
Mfr Part Number	BT542
Model Number	BT542
Number Of Items	1
Unit Count	1.0 Count

Reviews

User

Works if patient!

Took a while, but got it working!

23.01.2026

User

Exceeded my expectations.

Plug and play, good sound quality, every headphone I have works well with it. The sounds doesn't fail or cut, connects easily and has enough range to keep the sound connected anywhere in the house without any issue. I am happy with this and recommend it.

26.03.2025

User

Happy

Happy with size and connectivity of this item, easy to use my pc can now connect to headphones via Bluetooth which makes things easier very functional and good quality happy with the price.

29.12.2024

User

Fedora Linux compatible

Compatible with Fedora linux. Did not require any extra drivers or software. I just plugged this into an open port and it worked. Connected to my headphones instantly and sounds great.

13.11.2025

User

Works

WorksNo problems.Works with Linux too

15.01.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

€ 32.74

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews