The connecting cable with the computer does not work (the computer does not detect mp4), I had a similar cable before ordering this product, even with this one the computer does not detect. The problem he would come from the device itself? I do not know. No microSD slot (memory card for people who do not connaisent computer too) so it really is IMPOSSIBLE to put more music dessus.De after connecting to the computer, the MP4 does not turn on. I had the opportunity to handle the device before it deigns to be lit: the interface is very outdated and pixelated, which is understandable based on the price. The "Music" menu is simple: the list of all the tracks (two songs are provided), no way to sort by album / performer as a classic mp4. Unable to create playlists. No manual supplied with, we can manage to understand but it takes a little time. Would definitely recommend for a child. Compounding this is the fact that despite the design of the front and back recalling the apple products, bottom and top are made of hard white plastic, which gives an effect very "toy". You have to press hard on the keys (big "click" as the left click / right side of the pad of a laptop computer) that does not really allow rapid action. The supplied headphones are with low quality, but that was expected ^^ Considering the price I do not expect an extraordinary product, but there have as a default ... In short, do not buy this product: waste of time.