Recording is simple again with our PC/Mac compatible digital voice recorder. Featuring a voice activated system that starts and stops automatically with the sound of your voice and over 270 hours of recording time. You'll always be prepared for interviews, classes and personal notes. Number of Batteries: 2 Features: Battery Operated Battery Type: Alkaline Tech Compatibility: Universal Measurements: .59 Width/Inches, 4.61 Height/Inches, 1.24 Length/Inches Base Material: 100% Plastic Battery Size: Aaa Country of Origin: Imported