Please read the profile. Used only briefly, inserted into a computer for a moment, and hardly used at all. 【High-Performance Bluetooth 5.3】 Equipped with the latest Bluetooth 5.3 technology, providing stable connections and high-speed data transfer. It has high compatibility with various devices, offering a comfortable wireless experience. 【Easy Connection】 Simply plug it into a USB port to start using it. No special drivers are required, making it easy to add Bluetooth functionality. 【Compact Design】 Small and portable design. Keeps your desk tidy and is easy to use on the go. - Brand: ELECOM - Bluetooth Version: 5.3 - Type: USB Adapter - Application: PC Peripherals