Feature: 1.Premium Recording Quality,the digital voice recorder comes with ultra-sensitive omnidirectional microphones with dynamic noise reduction, giving you crystal clear recording output. 2.The voice recorder is small, portable and extremely light weight. 3.It is ideal for lectures, classes, meeting ,doctor's advice ,interviews. 4.8GB internal memory stores up to 1500 songs. 5.It can record continuously for 15 hours, so you don't worry miss any important content. 6.Voice activated recorder, the recorder will automatically start recording when sound is detected and stop recording as soon as the sound is disappear. 7.Noise reduction technology, built in AGC noise reduction technology to filter the surrounding noise and amplify the targeted sounds. 8.It will save recordings automatically when battery runs out or turn off accidentally. 9.Compatible for MAC and PC. Parameters Memory: 8GB Nan-Flash(Note:Please select FAT32 system when formatting the recorder) Battery Recording time: over 15 hours Recording Formats: WAV Voice Activated: Yes Date and Time Stamp: Yes Battery: Li-ion battery 160maH Operating System: Windows XP/Vista/Win 7/8/Lunix OS / OS Recording Bitrate: 128K bps USB Port: USB 2.0 Frequency Response: 20Hz-20KHz Max o Output Power: 5mW Working Temperature: 0 - 40& 8451; Dimension: 38*33*12mm / 1.49*1.3*0.47inch Color: Sliver Package Included: 1 x Digital Voice Recorder 1 x USB Earphone 1 x USB Cable 1 x User Manual