Wireless Technology is gaining its importance day by day by making continuous improvement in their technology. One of the successful innovations of this technology is the invention of Bluetooth, a wireless handheld device for communication over short distances almost 30ft coverage area from fixed and mobile devices to personal area networks. We will list some of its advantages and areas where it can be used. Starting with its benefits .First important one is ,it is based on wireless technology ,you don’t need any wire for communication. You can easily move with your laptops or any other wireless device and start your conversation though Bluetooth device. No need for any installation, you just have to switch your Bluetooth ON and you can connect to all those persons who have this function active on their device. So, it is simple enough to connect and very user-friendly. This device being free, is very cost-effective, you don’t have to pay anything to its service provider. Consumes less power or battery so can be used on cell phones also. This device is portable and can be used for connecting any two different devices of different device models .Moving on to its application areas now. You can use this device with headset of your cell phone, make or attend calls through it without touching your phone. Data can be shared between any two devices connected through Bluetooth .Even you can connect your printer to laptop through this device.