... for expandable storage.CPUMarvell Pxa310z 624ProcessorQualcomm MSM7225,528MHzPlatformWindows Mobile 6.1 ProfessionalMemoryRom: 256MB, RAM:192MBDimension102*53.6*14.5(mm)Weight96g ... ,WMA,WAV. 40 polyphonic and Standard MIDI format 0 and 1(SMF)/SP MIDIBatteryRechargeable Lithium-ion battery. Capacity:1100mahStandby time: Up ... compatible)AC AdapterAC input: 100---240V AC,50/60 Hz, DC output:5V and 1A.