Argentina → Czech Republic
Argentina plugs
Czech Republic plugs
Shared plug type: C
Compatibility: Compatible
Voltage — Argentina 220V — Czech Republic 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.