Digital Audio Recorder - Universal - 4GB Rechargeable Mini USB Flash Drive 70hr Digital Sound Recorder Highlights Universal 4GB Rechargeable Mini USB Flash Drive 70hr Digital Sound Recorder 4GB Mini USB Recording USB Recorder 70hr Digital Voice Dictaphone The Product is shipped based on the color or size of the main product page image. 4GB Mini Rechargeable USB Flash Drive Recording Dictaphone 70hr Portable Digital Voice Recorder | Digital Voice Recorder Feuserests 4GB Mini USB Flash Digital Voice Recorder will be a good helper. It supports WAV formats, will be your good partner. and long-time recording - no software to install. Recording.This recorder over time, can be adjusted. You can change the model with voice control or non-voice control by yourself. Time: About 70 hours Record Formats: Wavpower Power Supply: Li-ion Battery Operation System: Windows 2000/XP/Vista/Win 7 Binary Network: 128K BPSUS Port: USB 2.0Frequenc Y Response: 20Hz-20KHzmax AUDIO PLUSE AUDIO PORTIE :5MWWALKING TEMPERATURE:0~40OCMaterial:Abssize:Envir