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What is a Bluetooth® Earphone?

April 26, 2017Bluetooth Cell phone cordless earphone earphones headset Mobile Phone Wireless

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What is a Bluetooth® Earphone?

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A Bluetooth® earphone is a wireless earpiece that can be connected to a mobile phone, an mp3 player, a laptop or other Bluetooth®-enabled device for hands-free use. Bluetooth® earphones operate like headphones or headsets but without the constraints of a wire. Bluetooth® earphones connect to devices using radio frequencies in the industrial, scientific and medical (ISM) band. To avoid interference with other devices using the same ISM band, such as microwaves and cordless phones, Bluetooth® devices divide the band into 79 one-megahertz channels and shuttle between them at a rate of 1,600 times per second. The range of Bluetooth® earphones is generally about 30 feet (10 meters). Some Bluetooth® devices can deliver a range of up to 300 feet (100 meters) but those versions draw significantly more power. For most uses, a low-power Bluetooth® earphone will be sufficient. Bluetooth® earphones come in a variety of styles to match their various uses. The smallest and lightest models are single