What’s a Bluetooth? Is Wi-Fi necessary for it to work? Bluetooth is a signal, which allows electronic devices to communicate. Some apps and devices require both to operate, and some do not.
The most common example of Bluetooth is the Bluetooth connection in your car. The Bluetooth communicates with your smart phone allowing you to talk, hands free, on your cell phone. Other examples of Bluetooth devices are: wireless keyboards, Apps that allow you to transfer files, photos and videos, wireless speakers, and numerous other things.
According to Wikipedia Bluetooth is a wireless technology standard designed to changing data over short distances, about 30 feet, using short wavelength radio admissions in the ISM and from 2400 -2800 MHz with high levels of security.
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