A short-range wireless communication standard for exchanging data between devices over radio frequencies in the 2.4 gigahertz band. It is widely used for peripherals, audio, and low-power sensors.
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- Bluetooth is a wireless standard for short-range communication operating in the 2.4 gigahertz industrial, scientific, and medical band. It connects devices such as headphones, keyboards, and sensors over distances typically up to about ten metres.
- The standard, maintained by the Bluetooth Special Interest Group, includes the low-energy variant introduced with version 4.0 that is widely used for battery-powered devices and the Internet of Things.