Warm TIPS The BT542 USB Bluetooth adapter is compatible with PC Laptop Computer Windows 11/10/8.1/7.Applies the latest Bluetooth 5.4 technology and is backward compatible with Bluetooth 5.3/5.0/4.2/4.0/3.0/2.1/2.0/1.1.BT542 can turn Non-Bluetooth PC/Laptop/Desktop into latest Bluetooth 5.4 function capable

Plug n Play or No need to Driver Plug and Play to work with Windows 11/10/8.1; Supports Win7 (Driver required for Win7 and could be downloaded from website not of charge,). But please NOTES It's not compatible with Mac OS, Linux, Car Stereo systems, XBOX or TV. 2. It can’t be used directly on PS3, PS4, PS5, Switch, or Xbox Console; but it works with Game Controllers

Upgraded Latest Bluetooth 5.4 Technology 2024 Bluetooth 5.4 improves the stability of the connection and reduces signal interruption. Optimizing the transmission delay and connection defect problems of the old Bluetooth version. Our Bluetooth 5.4 dongle will bring you a faster, more stable, and smarter connection with less sound quality loss

Faster Speed, Further Coverage Gets faster data speeds up to 3 Mbps, which is double of old Bluetooth 4.2 and supports Dual mode (BR/EDR+ Bluetooth Low Energy) to achieve low energy consumption and wider compatibility. More powerful antenna design Extends Bluetooth range up to 66ft/20M in open space. Note operational range can be affected by walls, physical obstructions and wireless interference

Broad Application, High-Fidelity Audio & Take Calls BT542 wireless USB dongle enable your PC/Laptop to feature Bluetooth function to pair with any Bluetooth Headset Headphones Speaker Keyboard, Mice, Printer, Smartphone PS4-game controllers. It's perfect for enjoying HD music or clear talk calling while wirelessly transferring files, making the most out of your Bluetooth adapter

Up to 5 Devices Sync Connected BT542 Bluetooth 5.4 dongle for PC Laptop supports up to 5 devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard or other devices

Prompt Response, Outstanding Service If you have any questions about the driver installation and product usage, please refer to the user manual included in the product for help, or you can contact our reliable customer service via Amazon Message or Mail-box, and we will reply to you soon within 24 hours and solve any for you