Sly USB MP3 Player 4 GB with Voice Recorder

alaTest has collected and analyzed 7 user reviews of Sly USB MP3 Player 4 GB with Voice Recorder from Amazon.com. The average user rating for this product is 2.9/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Reviewers are impressed by the storage and size. The durability and usability also get good opinions, whereas some have doubts about the price. Opinions about the sound and portability are mixed.