1、NOISE REDUCTION: Digital voice recorder adopts octa core Al intelligent professional noise reduction chip to solve the problem of weak sound, improve the stability of recording, and clearly restore the real sound. 2、VOICE ACTIVATED RECORDING: Automatically record when there is sound, save storage space as much as possible, and save time playing and filtering useless content. 3、ONE KEY OPERATION: One key to switch on and off, one key to record easy to operate, to prevent misuse, do not miss the critical moment of the recorder will be. 4、MULTI LEVEL SPEED: When playing recordings or studying, you can set multi level speed changes for fast memory during file analysis and studying. 5、SEGMENTATION FUNCTION: Voice activated recorder can automatically segment the recording file according to the recording time and store it as a file every 5 hours. Item Type: Digital Voice Recorder Material: Zinc Alloy Recording Format: WAV, MP3 Music Format: MP3, WMA, WAV, OGG, APE, FLAC, AAC, Etc. Built in Lithium Polymer Battery: 170mAh Memory: 64G 1 x Recorder 1 x Instruction Manual 1 x Charging Cable 1 x Earphone