Cenix VR-W240 4GB 2hrs portable voice recorder. This Cenix digital voice recorder features max recording time 282 hours, 4GB memory, recording media: digital, file format: mp3, wma; long play mode, 1 AAA batteries, approx. 12 hours of battery life, telephone adaptor, audio cable, external microphone, hand strap, design: handheld, dimensions: depth 17.9 mm, height: 108 mm, weight: 43 gm, width 36 mm, made in Korea etc.