Features 1.VOICE ACTIVATED: AI intelligent recorder supports voice activated recording, which effectively saves storage space, filters invalid clips and reduces playback time consumption. 2.NOISE REDUCTION: Voice activated recorder uses DSP professional recording chip, HD noise reduction to ensure that it is the same as what you hear. 3.RECORDING PARAMETERS: Intelligent recorder supports ADPCM recording 192Kbit, optional voice activated recording 50DB, automatic split recording. 4.LONG STANDBY: Magnetic recorder continuous 500 hours recording, standby 365 days, automatic storage of power failure, loop overlay recording. 5.SUPPORT FORMATS: Noise reduction recorder support MP3, WMA, WAV playback, support fast forward and backward playback. specificationItem Type: Voice Recorder_x000D_ Material: ABS_x000D_ Recording Mode: Power on Recording, Power off Saving_x000D_ Recording Format: WAV_x000D_ Playback Format: MP3, WMA, WAV_x000D_ Built in Polymer Lithium Battery: 3000mAh PackageList 1 x Voice Recorder 1 x Earphone 1 x Charging Cable 1 x InstructionManual