Format：MP3,WAV,WMA,RM,APE,OGG,WV,AAC,FLAC,CD SNR:       >90dBCharging: 1.5Hour(Fast 45 minute charge,up 80%)Battery:    3.7V lithium ion battery.Size：     85.6mm*53.98mm*2.5mmFeature:    Waterproof   Ultra-thinSurface Printing Customized or Standard

  Is the thinnest MP3 till now in market, waterproof feature can ease your worry about water. Which we are sure she would become the will-be-hottest product among the young.