Note: Q: If your Bluetooth adapter does not work (there is a driver error problem), please use the following methods to solve it. A: Since Windows 10 system has Bluetooth function which is the "Intel(R) Wirele Bluetooth" in this imageSo you need to right-click to disable the Bluetooth: "Intel(R) Wirele Bluetooth" and then re-plug our 5.3 Bluetooth adapter to tryIf you have other questions, you can contact our online customer service to solve the problem. The USB bluetooth adapter can only be plugged into your desktop or laptop computer, and cannot be used on other devices such as a car.Before using the product, please disable the Bluetooth of the computer itself, and uninstall the existing Bluetooth driver of the computer, and then install the driver of this product. Bluetooth 5.3 Adapter Enjoy wirele life fastly Major Breakthroughs in Technology The latest Bluetooth 5.3 technology, optimizes the transmiion delay and connection defect problems of the old Bluetooth 5.0 Multiple Bluetooth Version Bluetooth 5.3, backward compatible with 5.1/5.0/4.0 device Diver-free for Win8.1 and Later Only use on Windows computer Save your USB Port Connect 5 devices simultaneously Bluetooth Connection Enjoy wirele life Use for Wirele Keyboard and Mouse Enjoy wirele working and game Use for Data Tranfer Transfer file instantly via connection Up to 20M Transmiion Distance Faster and more stable transfer Strict Safety Control Each UGREEN product has undergone layers of security testing and paed multiple international security Clear Indicative Statu Keep lighting when it work Small & Anti-lost Product Specification Package Display