This nice little adapter isn't tiny, but it's smaller than other international adapters and you get a USB connection! It works on both 110V and 220V, even USB. I have verified that the USB port works in US, Brazil 110V, Brazil 220V, UK and France. It did seem to heat up a bit when using the USB connector in the Brazilian 220V plug, but I haven't seen this with other 220V plugs (although I will note that I didn't use the same physical adapter both times used, although the models were the same). In addition to the USB connector on the top, another plus point is the (non-grounded) connector on the bottom. There are retractable plastic pins to secure the adapter in UK-style plugs and regular plugs unscrew to reach deep sockets, although in the latter case I've seen a few sockets where the plugs have been extended too far and they have been halfway. -Insert the adapter to get power. I'll order another one right away.
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