Unit 6, page 37 (8)-modern device

Bluetooth is one of the important thing nowadays. Actually bluetooth is a wireless protocol utilizing short-range communications technology facilitating both voice and data transmissions over short distances fom fixed and/or mobile devices, creating wireless personal area network (PANs). In this modern day, bluetooth can be found at any devices such as mobile phones and laptops. Bluetooth also does not need any electrical power to support it. Everyone in this world can use it if they know how to manage it. Most of the people use this device to transfer their songs, pictures and videos. Besides that, bluetooth can be use at any place.They are useful for the people that do not have much time to transfer their files using cables.