... , portable digital speaker for your convenience, connecting to your MP3,MP4, CD, DVD, iPod, iPhone, GPS, PSP, ... and White screen.l Music: Supporting the format of MP3,WMA and WAV.l Supporting record: FM record ... : 150-18000HZ(±3Db)l Signal and noise ratio of power amplifier: ≥80Dbl Loud speaker 1.77 inches ... is not refundable. Items returned after 7 days of delivery are only eligible for repair. We share ...