alaTest has collected and analyzed 5 user reviews of Zenex ZN-SP5569-S Portable USB/SD/iPod/MP3 Player Speaker FM Radio from Amazon.com. The average user rating for this product is 3.2/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. People are impressed by the size and durability. The price and sound also get good comments. The design and usability get negative comments.