Bluetooth

Bluetooth is a short range wireless communication. Devices like headphones, keyboards, computer mice may have Bluetooth communication enabled. Smart watches rely on Bluetooth connectivity. Data exchange may also happen via Bluetooth. Bluetooth requires low power, therefore devices that use Bluetooth may last a long time.

There are different versions of Bluetooth. Common versions are 4.0 and 5.0. 5.0 version of Bluetooth is a low power version. Bluetooth communication is secure. Bluetooth connection in many cases requires verification of a code upon first time connection is established.

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