jWIN continuously puts its efforts in R&D, and market research. And jWIN puts its pride in the products it manufactures and sells. jWIN"s products have been engineered to ensure quality and reliability with the most updated set of features that jWIN"s consumers demand. jWIN strives to be ahead of its competitors by offering the most up to date designs and features at the most affordable prices. This unit plays CD, CD-R/RW & MP3 CD. The bass boost system offers excellent sound quality.