1.Latest Bluetooth 5.1 standard: The latest Bluetooth 5.1 standard, the measured transmission distance is 3 times that of the 4.0 standard, which can easily make the transmission distance of the device reach 100 meters 2.Compatible with multiple operating systems: Compatible with windows, linux, Android and other operating systems, can be widely used on various devices 3.Throughput up to 3M: Throughput up to 3M, which can meet the needs of data, control signals, audio and other applications in most low-power devices