Features: This 32 or 16 or 8 or 4GB mini USB flash digital voice recorder will be a good helper.It supports WAV formats, will be your good partner.This voice recorder features simple one-key recording and longtime recording - no software to install.Not only does it make recordings, but it also works as a regular USB flash drive.What a functional voice recorder that provides great convenience in class-recording, conference-recording as well as note-recording.This recorder with time, can be adjusted.You can modify the model with the voice control or non-voice control by yourself.Specification: Flash Memory: 32 or 16 or 8 or 4GB (Please select FAT32 system when formatting the recorder)Recording time: About 70 hoursRecording Formats: WAVPower Supply: Li-ion batteryOperating System: Windows 2000 or XP or Vista or Win 7Recording Bitrate: 128K bpsUSB Port: USB 2.0Frequency Response: 20Hz-20KHzMax Output Power: 5mWWorking Temperature: 0-40CMaterial: ABSSize: Approx.70x10x20mm or 2.76x0.39x0.79inColor: BlackQuantity: 1 PCPackage Includes: 1xUSB Voice Recorder1xManualnote: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!