What is Bluetooth technology and Bluetooth devices? It is  a   short-range wireless radio technology which allows two devices to communicate, without any  network infrastructures like routers etc. A Bluetooth device creates a wireless network between computers, cell phones, and other Bluetooth-enabled phones and headsets. Bluetooth is a high-speed wireless link technology that can connect phones or other portable equipment without requiring a line of sight positioning to work. Bluetooth devices provide a wireless connection to other Bluetooth-enabled devices as well. Technically, Bluetooth is faster and better compared to infrared. Is the use of Bluetooth devices safe for us? Yes, it is comparatively safer than other communication devices due to the following reasons: Bluetooth signals travel shorter distances than mobile phones or other wireless communication devices and therefore the level of harmful radiation emitted by Bluetooth devices is much much lesser than th