MPN: MZE40Key FeaturesRecordable: Not RecordableRemote Control: LCDHeadphones: YesPlayback FeaturesRepeat Play: YesRandom Play: YesIncluded FeaturesAuto Track Mark: NoManual Track Marking: NoRecording Level Adjustment: NoBass Boosting: YesSampling Rate Converter: NoAnti Skip Buffer: 10 sec.Power SupplyBattery Life: 6 hrs.Power Source: Rechargeable Battery, AC AdapterIncluded AccessoriesOptical Cable Included: NoDimensionDepth: 3 in.Height: 0.94 in.Width: 5 in.Weight: 0.38 lbsMiscellaneousProduct ID: 42062