... playercapacity512MB, 1GB, 2GB,4GB,8G,16G,32G (Optional)BatteryLi-polymer rechargeable battery,5 - 7 hoursPower voltage: 3.7V/400mAh Li-ion ... (rechargeable) Sampling rate:(Bit Rate) 32/44.1/48KHz (8Kbps~320Kbps) ... battery failure and damage.3.Pls don't care the Rechargeable light color,4 hours will filled the electricity.4.When you ...