Bluetooth is wireless technology that enables communication between Bluetooth-compatible devices. It is used for short-range connections between desktop and laptop computers, PDAs, digital cameras, scanners, cellular phones, and printers. Infrared once served the same purpose as Bluetooth, but it had a number of drawbacks. For example, if there was an object placed between the two communicating devices, the transmission would be interrupted.
Bluetooth takes care of all these limitations because the technology is based on radio waves. Therefore, there can be objects or even walls placed between the communicating devices and the connection will not be disrupted.
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