Bluetooth is a technology that allows wireless devices to communicate data and information to each other. For example, a wireless pair of headphones can play music from a smart phone without a physical connection. However, the technology must be low energy enough not to cause damage to the people using the device. Additionally, the wavelengths used in bluetooth technologies should not be visible. The waves associated with bluetooth technology are most similar to which wave type below?
A) X-rays
B) red light
C) radio waves
D) UV radiation
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