Item Type: Voice Activated RecorderMaterial: ABSRecording Format: WAVMusic Format: MP3 WMA WAVBuilt in Polymer Lithium Battery: 110mAhPackage List1 x Voice Activated Recorder1 x Instruction Manual1 x Charging Cable1 x Headphone1Multipurpose: Voice recorder can be used for classroom learning records, business meeting records hood. Can be hung with keys, hanging on the waist. 2Easy to Operate: Digital voice recorder is easy to use with one key to open the recording. It is easy to use. It is easy to record when there is sound and listen when there is no sound. 3Noise Reduction: Voice activated recorder core is powerful, significantly reduce noise, restore clear sound, stable recording in complex environments. 4Long Battery Life: Voice recorder built in polymer lithium battery, energy saving and environmental protection, fully charged standby 68 hours, continuous recording 28 hours. 5Multi Formats: Voice recorder supports WMA MP3 WAV and other sound files playback. Built in amplifier chip, plug in headphones to let you immerse yourself.