Bluetooth is one of the most recent development in wireless technology. Bluetooth technology allows wireless connection between various communication devices with ease. The paper begins with a brief introduction of Bluetooth technology and the need for it. It then explains other two types of wireless communication viz. Infrared communication and Cable Synchronization and the advantages of Bluetooth over these. It also explains the techniques by which Bluetooth avoids interference from other electronic
devices. Further an example is illustrated to explain how Bluetooth technology actually works. Paper also shows some present uses of Bluetooth and the conclusion attempts to give the present and future use of Bluetooth and how this new technology can change the world of communication.