United States → Brazil
United States plugs
Type A
Type BBrazil plugs
Type C
Type NNo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — United States 120V — Brazil 127V
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.