Item Type: Mini Voice RecorderMaterial: ABSRecording Format: WAVMusic Format: MP3 WMA WAVBuilt In Polymer Lithium Battery: 100mAhPackage List1 x Mini Voice Recorder1 x Charging Cable1 x Earphone1 x Instruction Manual 1Save Storage Space: Mini voice recorder open voice control, there is sound recording, no sound pause recording, effectively avoid the waste of storage space. 2Noise Reduction: Professional master control solution, for Voiceless clear sound technology, through multi layers strict testing, effectively remove the noise interference of the sound source, to ensure that the sound sampling rate, a high degree of restoration of the sound source. 3Multipurpose: Small voice recorder can record in a variety of special environments, it is not only a recorder, but also a U disk, MP3. 4Power Failure Save: Mini recording device system detects when the power is low, automatically save the file and then shut down the computer to ensure that the recording data is not lost. 5Easy to Operate: Mini recording device tap the button to turn on the recording, tap again to turn off automatically save, easy to operate.