Item Type: Voice Activated RecorderMaterial: ABSRecording Format: WAVPlayback Format: MP3 WMA WAVBuilt in Polymer Lithium Battery: 6000mAhPackage List1 x Voice Activated Recorder1 x Headphones1x Charging Cable1 x Instruction Manual1Multifunction: It is a power bank, MP3, USB flash drive and voice activated recorder. It is versatile and cannot be archived. 2Noise Reduction: Voice activated recorder adopts eight core Al intelligent professional noise reduction chip, which solves the problem of weak sound, improves the stability of recording, and restores the real sound. 3One Key Operation: Mini voice recorder starts recording with one key, saves recording with one button, keys to prevent accidental touch, and automatically records and saves files in segments for 5 hours, which is convenient for reference. 4Save Space: Digital voice activated recorder automatically records when there is sound, try to save storage space, and you can save time playing and filtering unwanted clips. 5Power Loss Save: Digital voice activated recorder will automatically save the recording file in the event of a power loss to prevent data loss and ensure safety.