Item Type: Voice Recorder Material: ABS Recording Mode: Power on Recording, Power off Saving Recording Format: WAV Playback Format: MP3, WMA, WAV Built in Polymer Lithium Battery: 3000mAh1VOICE ACTIVATED: AI intelligent recorder supports voice activated recording, which effectively saves storage space, filters invalid clips and reduces playback time consumption. 2NOISE REDUCTION: Voice activated recorder uses DSP professional recording chip, HD noise reduction to ensure that it is the same as what you hear. 3RECORDING PARAMETERS: Intelligent recorder supports ADPCM recording 192Kbit, optional voice activated recording 50DB, automatic split recording. 4LONG STANDBY: Magnetic recorder continuous 500 hours recording, standby 365 days, automatic storage of power failure, loop overlay recording. 5SUPPORT FORMATS: Noise reduction recorder support MP3, WMA, WAV playback, support fast forward and backward playback. 1 x Voice Recorder 1 x Earphone 1 x Charging Cable 1 x InstructionManual