Here is a Sleek and attractively designed pen for your digital high quality voice recording use. The Voice Recorder can be taken anywhere to record audio from meetings, conversations, phone calls, surveillance, and other situations where an unobtrusive way of recording audio is needed. It looks and writes like an ordinary ballpoint pen, making it inconspicuous and unobtrusive. Use the pen for repeating directions while on your cell phone or for help to memorize client names. Features: 1. Long time voice recording of more than 6 hours in one full battery charge, storage sufficient for about 96 hours of voice record 2. Ultra-thin shape, small size 3. Perfect for recording interviews and meetings, students learning 4.Compatible OS: Windows,Linux,Apple OS 5. Dimensions:13.9 x 1.2cm 6. Color: Black 7.Working temperature:0-40°C 8. Microphone: Built-in condenser microphone 9. Weight: 35 gm. Brief Operating Procedure: Slide the Switch to 'Power On'. Operation indicator will blink Red & Blue, and turn Red. The recorder is in 'playback mode' if the 'Recording Key' is Not pressed. Press the 'Recording Key' to enter the 'Recording' Mode, indicator will keep blinking Red in recording mode. Press the Recording key again in the recording mode, this will save the recording and bring the recorder into idle/playback mode. How to Playback: Connect the DVR Interface device and Earphone in the 'playback' mode of device(Recording Key Not Pressed). Press the DVR Button(on interface device) to start playback. Press the DVR Button again to stop playback. Next-Previous-Volume Up-Volume Down functions are available by pressing the single DVR button in the desired direction. Special Function: Pressing the 'Recording Key' while the Interface device and Earphone connected, will bring the device into "Hearing Aid" mode. You can record in "Hearing Aid" mode, by pressing the DVR Button(Status LED will blink red while recording). Again Press the 'recording key' to save the recording.