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. People really like the storage and size. The durability and usability are also appreciated. Many are negative about the price, while opinions about the sound and portability are different.