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By Majzik Richárd - January 23, 2018 - tags: technology

Its a short ranged wireless communication between two or more devices, invented by the Ericsson in 1994.(Originally it was made for an alternate wireless console cable)

Named after Harald Blatand(Scandinavian king in the X. century) who loved the blueberries and he got a nickname as harald bluetooth. He united the Scandinavian tribes like the bluetooth can connect devices. The symbol of bluetooth is come from the scandinavian runes of H and B.


The bluetooth has low energy cost and high transfer speed. The 15 different versions has different ranges, transfer speeds and security levels. You can send files to another device, synch your smartwatch with your phone or listen to music with a wireless headphone.