Oui, un adaptateur est "fiche suisse" est inclusus. Petit bémol: le câble de raccordement est vraiment court!
Yes, a "Swiss plug" adapter is included. Minor drawback: the connection cable is quite short!

No

it's a Swiss plug, no need for an adaptor.

The device is supplied with an adapter.

Yes

Hello is that the Euro plug ? If so, I think it is included. Mfg