Earphones Wireless

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Wireless headphones work by transmitting audio signals through either radio or IR (infrared) signals, depending on the device. ... A product with Bluetooth technology has a tiny computer chip inside that contains the Bluetooth radio, and software that makes connectivity between devices possible.

Wireless headphones work by transmitting audio signals through either radio or IR (infrared) signals, depending on the device. ... A product with Bluetooth technology has a tiny computer chip inside that contains the Bluetooth radio, and software that makes connectivity between devices possible.