... years manufacture newest design products Innovative product ideas MP4 e-friendly electronic products DescriptionDemension37.5mm*40.9mm*8. ... Pop, Classic, Soft, Jazz and heavy bassBasic functionFM radio, E-book, picture scan, record,games, camera functionSpecial functionsShockproof, waterproof, ... follow the rules below to ask for exchange:1. E-mail to us to get the Return Merchandise Authorization ...