Rio One 64 MB MP3 Player

alaTest has collected and analyzed 41 user reviews of Rio One 64 MB MP3 Player from Amazon.com. The average user rating for this product is 1.8/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Opinions about the reliability and battery are overall positive. The sound and portability are also mentioned favorably, whereas some have doubts about the performance and durability.