Bluetooth is a standard and communications protocol primarily designed for low power consumption with a short range(power-class-dependt: 1 meter, 10 meter, 100 meter). It is enables these devices to communicate with each other when they are in range such as the devices use a radio communication system, so they do not have to be in line of sight of each other and can even be in other rooms, as long as the received transmission is powerful enough. Bluetooth is light, so easy to they are carry around and enjoy use it. You can use it in different devices such as mibile phone, telephones, laptops, personal computers, printers, GPS receivers, digital cameras to connect and ex-change information.
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