The product is small and lightweight, about the size of a palm. It can hold lectures of 1 hour 10 minutes, 5 hours 55 minutes, and 9 hours 30 minutes, and fits in your pocket (with earphones). It can be used for eavesdropping (with a speaker). It has an alarm and timer. It has two playback speed settings. Uses a dry cell battery (AAA x 1). You can listen comfortably using the above methods.