Good small device but unfortunately it has a lack of autonomy especially if used with a USB key, so have to go through a micro SD. To complicate matters, there is no charger, just a power cable to connect USB to a PC or a small power charger, otherwise it loads too quickly and discharge as fast ... Finally, big downside in my opinion it is impossible to choose the songs you want to listen in the tree of the SD card in reader mode you can only switch from one song to another ... Results, if you have 10 albums of 10 songs, you must press 100 times (or 99) the "next" button to go read the last piece. While in alarm on mode has access to directory and you can wake up with the song of their choice! A small lack in-house software level but very unpleasant to use. I wanted a mini mp3 player with radio alarm function and I thought I had found my happiness, but no. My quest continues ...
