... full capacity 5.bulit-in rechargable battery solar mp3 player,solar powered mp3,touch pad solar mp3,CE,RoHS approved,necklace case,bulit-in ... required in systems beyond windows 98 or above;> Solar mp3 player with touchpad> Supports MP3, WMA and WAV formats > Gift item for XMAS ... rechargeable battery > Firmware upgradable > Approval: CE, FCC, RoHS> After sales service: 1 year warranty solar mp3 player