United States to Brazil: You'll need an adapter
You'll need a plug adapter: United States uses Type A/B, Brazil uses Type C/N, and they don't fit. Voltage is compatible (120V vs 127V), so any dual-voltage or matching device is fine either way.
You'll need a plug adapter: United States uses Type A/B, Brazil uses Type C/N, and they don't fit. Voltage is compatible (120V vs 127V), so any dual-voltage or matching device is fine either way.