There are 3 models optional, different model with different interface and appearance, please choose suitable model before purchase:
(1)Bluetooth 5.4 adapter

(2)Bluetooth 6.0 adapter

Bluetooth 6.0/5.4 Adapter

Specifications:

Bluetooth Version: 5.4/6.0

Also compatible with Bluetooth 2.0, 3.0, 4.0, 5.0, 5.1 and 5.3

Transmission distance: 20 meters

Support protocols: A2DP,HSP,AVRCP,HID,ACC, etc

Support USB2.0/3.0 interface,you can use on Laptop or Desktop.

Operating system:For Windows 7(need driver), Windows 8.1/10/ 11 (driver free, plug and play)

System NOT Supported: macOS, Linux, Android, TV, Windows 7 or earlier

This Bluetooth 5.4 Adapter can use as a receiver or transmitter between 2 devices that with Bluetooth function.

Package Includes:
1 x Bluetooth USB Adapter

Note: A power cable for Bluetooth needs to be connected to the motherboard 6-pin interface.

CONNECTING MULTIPLE DEVICES SIMULTANEOUSLY

Supports simultaneous connection of multiple Bluetooth devices for easy switching of audio output or file transfer,meeting your needs for multitasking and sharing with multiple people Mini shape is perfectly integrated with laptop/ desktop User Guide
Plug-Double Clic "My Computer"- Double Click "CD Driver"- Click "setup Simply plug the Bluetooth adapter into the device's USB interface to quickly pair and connect to compatible Bluetooth devices

Windows 8.1/10 / 11 Driver Free