Easily record important thoughts & discussions for future review. Scene Select allows you to tailor audio-capture for music, meetings & more. Automatic Voice Recognition delivers a voice-spectrum focus to minimize background noise. Easy-to-read monochrome LCD display lets you keep an eye on what matters most. Built-in USB Direct Connect lets you interface with your Mac & Windows devices when you're ready to transfer your files for editing, transcribing or long-term storage. Included Sound Organizer 2 software simplifies file management. Two standard alkaline AAA batteries provide up to 62 hours of operation. Recording Functions: One-Touch Record; Scene Select Scenario Optimization; Voice-Activated Record; Activation / Review Functions: One-Touch Record; Voice-Activated Record; Recording Time: 159 h; Microphone: Built-In Mono Unidirectional.