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Bluetooth is a wireless protocol that uses radio waves for short-range data and voice communication between electronic devices, enabling them to connect without wires. Devices establish connections by "pairing" after discovering each other, forming a temporary wireless personal area network. This technology allows devices like computers, smartphones, headphones, and keyboards to communicate directly, creating a network of connected devices within a limited range.

How it Works

Discovery: When Bluetooth is enabled, a device can discover other nearby Bluetooth-enabled devices.

Pairing: Users typically select a device to connect to, and the devices "pair" to form a secure connection by sharing a code.

Connection Establishment: Once paired, the devices can maintain their connection without needing to be rediscovered each time.

Adaptive Frequency Hopping: To avoid interference, Bluetooth devices rapidly change frequencies, a process called frequency hopping, allowing them to work well in crowded wireless environments.