A Bluetooth® device works by using radio waves instead of wires or cables to connect with your cell phone, smartphone or computer. ... A single Bluetooth headset can even connect to multiple devices at the same time. This enables you to talk on the phone or listen to music without the bother of wires or cords.

How does Bluetooth technology work?

Bluetooth uses radio waves instead of wires or cables to transmit information between electronic devices over short-distances.

Why you shouldn't use Bluetooth?

But leaving your Bluetooth on all the time can be dangerous, and hackers are exploiting the technology to access private information, spread malicious software and more. ... The virus allows hackers to "take control of devices, access corporate data and networks, penetrate secure 'air-gapped' networks and spread malware."