What are Bluetooth technology and Bluetooth devices? It is a short-range wireless radio technology that allows two devices to communicate without any network infrastructure, such as routers. Bluetooth creates a wireless network between computers, cell phones, and other Bluetooth-enabled phones and headsets. Bluetooth is a high-speed wireless link technology that connects phones or other portable equipment without requiring a line of sight positioning. 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 less than the harmful radiation emitted by cellular (mobile