I was not expecting much ... nothing really ... was in Blitz Sale and I've got a noise machine for our Christkindl Market Stall searched. The CD player were too expensive and then I spotted this little boxes and thought for (bid price) 12 euros is not lost so much ... Lost was not a penny ... the sound is amazing even to the half of the volume, we have we can hardly entertain. charged usb stick pure and happy ... the battery consumption is minimal and longer than indicated. Many of my colleagues in the state and in neighboring stalls will also get a music cube which I think is the best proof. In a couple of comments I've read that is a lack of memory function criticized what for me was not the case ... even after pull out the stick and put it in again ran it at the previously stopped point further I doubt it simply makes it to my USB stick is. The only minus point is not really the power supply for charging is not only a USB connection cable ... but let's face at the time of smartphones each of us has such a power supply at home that we can connect to the USB cable ...