The plug was with me for England, not US (buying directly from Amazon). Adapter for Germany is required for about 5 euros. The sound is ok. For this price (32 euros) probably one of the best one can get. The subwoofer is small and but enough for audible bass. But the table he brings not to wiggle. Max. Volume is not high (are also only ~ 30 Watt). Bluetooth works perfectly. But you should be in the same room, otherwise the connection is disconnected. Bluetooth is not protected and is always on. However, since the range is low should be a problem this rarely. In direct comparison with my Creative p380 (10 years old, about 60 euros at the time) beat them neatly, the p380 have more clarity in the mids and highs and deeper bass. The Edifier emphasize more the high bass and low mids. What for normal use is also quite ok. For 37 euros with adapter you can not go wrong.