External Memory : Yes<br>With Speakers : Yes<br>Record Audio Format : WAV<br>Playback Formats : WAV<br>External Microphone : Yes<br>Package : No<br>Balanced Out : Yes<br>Voice Activated Recording : Yes<br>Dimensions (WxHxD) : -<br>Model Number : SK-007 Digital Voice Recorder<br><br>Features:<br>Digital voice recorder and music player with high quality sound.<br>One-touch recording, high efficiency for class, interviews, meetings, lectures, etc.<br>High grade built-in microphone, allows you to record detailed conversations.<br>Built-in rechargeable lithium battery, offers up to 20hrs continuous recording (fully charged).<br>Supports 8GB/ 16GB/ 32GB memory card (not included).<br>Small body, easy to carry and hide.<br> <br>Specifications:<br>Recording Format: WAV<br>Music Format: WAV<br>Playback Formats: WAV, MP3<br>Power Supply: Li-ion battery<br>Recording Time: 20 hours (fully charged)<br>USB Port: USB 2.0<br>Frequency Response: 20Hz-20KHz<br>Working Temperature: 0~40℃<br>With Speakers: Yes<br>Balanced Out: Yes<br>Capacity: No capacity (supports 8GB/ 16GB/ 32GB TF Card)<br>Compatible System: Windows XP, Window Vista, Windows 7, Windows 8