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Infrared and Bluetooth enable devices to communicate without cables.But infrared and bluetooth use different technology.Infrared technology has been around longer than Bluetooth.It is used on most TV remote controls.Using this technology is a good way to communicate,as it uses very fast pulses of light.But infrared requires a TV and remote,in order for the technology signal to be detected.Bluetooth,on the other hand,is more flexible than infrared technology.It operates using radio waves-which means devices can communicate even if there is a wall or as object between them.With Bluetooth,even devices made by different manufacturers can communicate with each other.

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