Record, organize and store up to four hours of your most brilliant thoughts, this voice recorder from memorex will help keep you organized by recording anything youd like. Dont have a pen and paper handy? No problem, with its voice activated system, this recorder will capture your notes or that important reminder. Features include: vox voice-activated recording system, 4 hours of recording time, 3 message folders (99 messages each folder) , 2-speed recording , digital system , microphone jack ,3.5Mm headphone jack ,ac adapter port ,dimensions: 3 in. X 5 in. X 1 in.