Memory available capacity may vary: 4GB and FM Tuner: YesThe charging time is 70 minutes , battery life is 20 hours ; Display Type: OLED (Organic Light Emitting Diode) ; System requirements: Microsoft Windows 8, Windows Vista (SP2 or later), Windows 7 (SP1 or later)...

Memory available capacity may vary: 4GB and FM Tuner: YesThe charging time is 70 minutes , battery life is 20 hours ; Display Type: OLED (Organic Light Emitting Diode) ; System requirements: Microsoft Windows 8, Windows Vista (SP2 or later), Windows 7 (SP1 or later)Input / Output Terminals: Hi-Speed USB 2.0 compliantPower Source: Built-in Rechargeable lithium-ion BatteryUSB power from a computer via a USB connector of the playerRecharging Method: USB-based charging