Simple Question : What is this on the picture?

[Andrew_L]

On a picture above, there is a USB something in dotted square outline. Is that related to the Bluetooth? otherwise, what is that?

Thanks.

[Luis_Vale_Goncalves (Luis Vale Gonçalves)]

perhaps a wifi dongle, rpi before the rpi3 had no wifi.

[Andy_L]

Alright, thanks for reply though.