My daughter "broke" his piggy bank to offer this small MP3: certainly, if it's cheap, and that we therefore do not expect miracles, he must still run a minimum. Today as a result, after the first successful connection to the computer and a first adding some mp3 files to test ... the second connection fails: Unrecognized device and therefore can not add new pieces ... Multiple attempts on several ordis, NOTHING! Finally, return to the immediate sender ... and beautiful disappointment for the recipient