The RP3538 micro cassette voice recorder by RCA is the perfect tool for taking notes. It can be used at lectures and seminars or it can be used to simply record important day-to-day notes. This micro cassette recorder offers a sleek ergonomic design that molds to the shape of your hand ? providing comfort and ease while in use. Voice recorder has four control buttons including: pause - allowing you to record only the things you feel to be important and cue/review so that you can quickly review your recorded segments for easy editing. You can choose between two options to record notes: by pushing the record button or with the Automatic Voice-Activated Record (AVA) mode. When using the Automatic Voice-Activated Record mode, the recorder will sense sound and start recording automatically once sound begins. Recorder will also sense when the sound ends and will stop automatically. Giving you the peace-of-mind that important notes will be recorded without having to remember to push the record button. Enjoy a constant recording level on each of your recordings with the Automatic Level Control (ACL) mode. The Automatic Level Control mode provides a consistent recording level regardless of the volume control setting. Voice recorder has external microphone jack that is conveniently located making it easy to attach microphone for recording. The 3-digit tape counter makes it easy to keep your place and keep a record of where the beginning or end of various recordings are located. Recorder includes tape, batteries and clip-on microphone.