alaTest has collected and analyzed 8 user reviews of Sylvania SMP 4200 MP3 Player 4 GB from Amazon.com. The average user rating for this product is 3.3/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Comments about the usability and durability are overall positive. The size and portability are also appreciated, but many are less positive about the performance.