Bluetooth is a short-range radio hookup that resides on a microchip. It was initially developed by Swedish mobile phone maker Ericsson in 1994 as a way to let laptop computers make calls over a mobile phone. Bluetooth is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks. It can connect several devices, overcoming problems of synchronization. Bluetooth provides a way to connect and exchange information between devices such as mobile phones, telephones, laptops, personal computers, printers, digital cameras, and video game consoles through a secure, globally unlicensed Industrial, Scientific, and Medical 2.4 GHz short-range radio frequency bandwidth. It is a Wireless control of a communication between a mobile phone and a hands-free headset. This was one of the earliest applications to become popular.
It eliminate cables linking computers to printers, keyboards, and the mouse. The most advantage of blue tooth is an economic wireless solution (both data & voice) used for short distance. Companies are taking the benefit by using this in their new and future products to make life much easier for everyone. There are also some disadvantages available in Bluetooth some of them are like when we are using up more battery power when we leave our Bluetooth enabled on our phone all day. When using Bluetooth internet, the connection can sometimes run very slow so Bluetooth internet is not highly suggested for all cases.
