The Bluetooth adapter is a versatile and convenient device that allows for seamless connectivity between various devices. With its interface USB plug and play feature, it can easily be connected to any compatible device without the need for additional software or drivers. For devices that do not support plug and play, an external power supply can be used for a hassle-free connection. With a transmission rate of 21 Mbps, this adapter ensures fast and efficient data transfer. Its effective working radius of 10 meters allows for flexibility and convenience in usage. This adapter is built with Bluetooth standard 4.1 and operates at a working frequency of 10 MHz.