Bluetooth is a wireless communication technology that allows electronic devices to connect and communicate with each other over short distances, typically within a range of about 10 meters (33 feet). It was originally developed by Ericsson in 1994, and has since become a widely-used standard for connecting a variety of devices such as smartphones, laptops, wireless headphones, and speakers.
Bluetooth uses radio waves to transmit data between devices. Each device must have a Bluetooth chip that supports the technology, which is responsible for sending and receiving data. Bluetooth can transmit both voice and data, and is used for a variety of applications, including hands-free calling, streaming music, file sharing, and more.
One of the benefits of Bluetooth is its low power consumption, making it ideal for use in battery-powered devices. It also operates in the unlicensed ISM (industrial, scientific, and medical) band, which means that it can be used without requiring a license from regulatory authorities.
Over the years, the Bluetooth standard has evolved, with newer versions offering faster data transfer speeds, longer range, and improved security features. The latest version of Bluetooth, Bluetooth 5.2, was released in 2019 and includes enhancements such as improved audio quality and increased data throughput.
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