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What Is Bluetooth? Bluetooth is a technology that enables electronic devices to communicate wirelessly with each other. For example, you use Bluetooth when connecting your phone to wireless headphones or your computer to a wireless mouse. This technology operates using the 2.4 GHz radio frequency and typically functions effectively up to a distance of 10 meters. The Bluetooth technology was developed in 1994 by engineer Jaap Haartsen at the Swedish telecommunications company Ericsson. The name o