Argentina → Montenegro
Argentina plugs
Montenegro plugs
Shared plug type: C
Compatibility: Compatible
Voltage — Argentina 220V — Montenegro 230V
Voltage difference is small. Most electronics will work safely.
Device compatibility (phones)
Phones almost always support 100–240V, so yours should work safely. Check your charger label to confirm.
You likely only need a plug adapter (if socket shapes differ). Voltage is close between these countries.