1.InstallaMirco-SDtoCardSlot(Supportupto32GBSDorSDHCcard).2.Waitabout10seconds3.PressRECORD/STOPkeyonce,recordingwillstartrecordingandrecordingLEDwillturnontoindicateitisrecording.4.DuringRecording,pressRECORD/STOPkeyonce,recordingwillbestoppedandrecordingLEDwillturnofftoindicateitisstop.ThevoicewillbesavedasaWAVfileformatandstoredontheCard.Ifpresskeyagain,nexttrackwillstartrecording.5.Duringrecording,thepenwilldetectthebatterylevel.Ifbatteryislow,penwillsavethevoiceautomaticallytoavoidlostthevoiceandthenturnoffuntilchargethebattery.6.Duringrecording,thepenwillsavethevoiceautomaticallywhenthecardmemoryisfullandthenturnoffuntilyoufreethememory.7.Ifthecardisfull,pressSTART/STOPkey,theLEDwillflasharound3~4secondsandturnoff.Therecordingcan tbestartedunlessyoufreethecardmemory