Hong Kong → Argentina
Hong Kong plugs
Type GArgentina plugs
Type C
Type INo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Hong Kong 220V — Argentina 220V
Voltage is the same. Your devices should work normally.
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.