Olympus Pearlcorder S713 Microcassette Recorder Compact microcassette recorder with built-in stereo microphone and dynamic speaker Dual recording speeds extends 90-minute microcassette to 3 hours of recording Hands-free voice activation records upon hearing sound; built-in tape counter Fast playback modes runs 25 percent faster than regular mode; external microphone jack Runs for 17 hours on 2 AA batteries; measures 2.3 x 4.8 x 1 inches (W x H x D); 90-day warranty