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 BU02 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 BU02 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 do I connect to PS4/PS5/Xbox-one controller?

1.Unpair the controller from your PlayStation/Xbox-one. 2.Hook the controller to your PC via the USB cable and then hit the PS button. Once the controller is detected you can disconnect the USB cable. 3.NOT compatible with Nintendo-controller.

Why don’t the BU02 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.

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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

⚡Up to 48Mbps transfer speed

📶66ft/20m extended range

🔗Bluetooth 5.4 latest tech

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403 kr

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In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Elevate your PC’s wireless game—Bluetooth 5.4 power in a nano-sized dongle!

MULTI DEVICE SYNC - Connect up to 5 Bluetooth devices simultaneously without interference—work and play smarter.
COMPACT NANO DESIGN - Ultra-small USB dongle fits discreetly in any port—perfect for on-the-go professionals.
NEXT GEN BLUETOOTH 5 4 - Experience ultra-stable, low-latency wireless with backward compatibility across all your devices.
CRYSTAL CLEAR AUDIO DATA - Stream high-quality music, take calls, and transfer files effortlessly with 48Mbps speed.
SEAMLESS WINDOWS INTEGRATION - Plug & Play for Windows 7/8.1/10/11—no hassle, just connect and go.

The Hakimonoe BT542 Bluetooth 5.4 USB Adapter transforms any Windows 7/8.1/10/11 PC or laptop into a powerful Bluetooth hub. Featuring the latest Bluetooth 5.4 technology, it delivers faster data transfer speeds up to 48Mbps, extended wireless range up to 66ft (20m), and supports simultaneous connection of up to 5 devices. Its plug-and-play design ensures effortless setup, while the compact nano form factor keeps your workspace sleek and mobile-ready. Ideal for streaming music, taking calls, and syncing peripherals, this adapter is a must-have upgrade for professionals seeking seamless wireless connectivity.

Specifications

ASIN	B0DDLCH651
Brand	hakimonoe
Built-In Media	1 x BT542 Bluetooth 5.4 USB Adapter, 1 x User Manual
Color	Black
Colour	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
Compatible devices	Windows 11/10/8.1/7 PC, Laptop, Desktop, Bluetooth Headset/Headphones/Speakers, Keyboard/Mouse, Smartwatch/Printer/Mobile Phone/Tablet Compatible devices Windows 11/10/8.1/7 PC, Laptop, Desktop, Bluetooth Headset/Headphones/Speakers, Keyboard/Mouse, Smartwatch/Printer/Mobile Phone/Tablet See more
Customer Reviews	4.3 out of 5 stars 222 Reviews
Data Link Protocol	High-Speed USB 2.0, Latest Bluetooth 5.4 BR/EDR+BLE(Low Energy)
Data Transfer Rate	48 Megabits Per Second
Data link protocol	High-Speed USB 2.0, Latest Bluetooth 5.4 BR/EDR+BLE(Low Energy)
Hardware Interface	Bluetooth 4.0, Bluetooth 5, USB 2.0
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
Product dimensions	25L x 15W x 5H millimeters
Unit Count	1.0 Count

Reviews

S**S

23.01.2026

A**R

13.11.2025

Y**O

10.02.2025

G**N

4.11.2025

R**N

14.08.2025

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403 kr

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In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

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