1、Noise Cancellation: It features an 8 core active noise cancellation chip, delivering a captivating listening experience. With this technology, you can immerse yourself in your favorite music without distractions. 2、Smart File Management: Equipped with a built in time chip, this MP3 Player automatically names your recording files by date and time after synchronization. This makes it effortless to organize and locate your voice files. 3、Easy Voice Sharing: With the MP3 Player, you can easily share voice files, mind maps, summaries and transcribed documents with friends or on your social media accounts. 4、Immersive 3D Surround Sound: This digital recording device offers a remarkable 3D surround sound experience. With support for various lossless voice formats, including MP3, WMA, and WAV, you can enjoy HiFi sound. 5、App Control: The MP3 Player supports smart transcription, translation and app control, allowing you to manage settings and control playback effortlessly. This feature enhances your usability. Enjoy the convenience of app control for a modern listening experience. Item Type: MP3 Player Material: Zinc Alloy Recording Format: WAV Playback Format: MP3 WMA WAV Built in Li Polymer Battery: 150mAh 1 x MP3 Player 1 x Charging Cable 1 x Instruction Manual 1 x Earphones