... more than 20 hours play time 3. MOQ:10pcs mp3mini mp3 player,mp3 player 8gb 2.5 mm Earphone Jack Volumn Control/ Next Song ... , 256MB, 1GB, 2GB, 4GB,8GBTransmission speedMaximum reading at 8MB/S, writing at 5 MB/SData RetentionUp to 10 yearsBattery Capacity 110mAh ... be a perfect assessories with your neckalace ,etc.*Best competetive price in the whole market Package Information*Package Box: BlCrystal ...