1、Voice Activated Function: This voice activated recorder will start to record automatically once the sound reaches level and stop recording when there is no sound. Effectively saving memory space. 2、Variable Play Speed: This digital recorder supports variable play speed of 8 levels, meeting your needs in different occasion. Combined with A to B repeat function, which allows you to play the selected paragraph for study and listening practice. 3、MP3 Player Function: The recording format of this digital voice recorder supports WAV and MP3, recording bit rate up to 1536kbps, to ensure clear recording quality, providing real sound. 4、1.44in Color Screen: This voice recording device is designed with 1.44in color screen, easy to operate, simply pressing the button to start or save the recording. Comes with USB cable for charging. 5、Password Function: This smart voice recorder provides password function, thus you can set a password, effective protecting the security of your recording files. Item Type: Voice Activated Recorder Material: Zinc Alloy Functions: Voice Activated Recording, 8 Level Speed Change, A B Repeating, Recording While Listening, Segmented Recording, Save Bookmarks, File Password, OTG, Etc Screen: 1.44in Color Screen Recording Format: WAV/MP3 Recording Bit Rate: 1536Kbps Expandable Storage: Up To 64GB Memory Card Expandable (Card Not Included) Battery Type: Inbuilt 500mAh Lithium Battery 1 x Voice Activated Recorder 1 x USB Cable