128Gb Digital Voice Recorder With Playback: Voice Activated Recorder For, Mp3 Uncomparable Recording Quality: After the new upgrade, the EVISTR L357 digital voice recorder adopts a dynamic noise reduction microphone and PCM intelligent noise reduction technology to collect sound in 360; adjustable 7 levels of recording gain to capture farther and lower sound; present you 1536kbps crystal clear high-quality stereo sound. It is a practical gift for students, teachers, businessmen, writers, and anyone who likes to record Memory Doubled-128GB High Capacity: L357 small audio recorder (3.86x1.2x0.47 inch) can store up to 7000 hours of recording files (32Kbps); configured with 500mAh battery and Type-C USB cable, faster charging, 2 hours fully charged for 20 hours of continuous recording and 35 hours of continuous playback. Made of metal, beautifully crafted, and durable, it is a professional recording device that is constantly upgraded and can meet your needs for long-term high-quality and high-efficiency recording Easy to Operate Powerful: EVISTR digital recorder just 2 buttons: press rec and wait 2 seconds to start recording; press stop to save recording. You can choose the recording format as wav/mp3; EVISTR voice recorder with playback support A-B repeat, playback, rewind, and variable speed playback; can set to record in time slots and auto-record to customize your recording schedule. The optimized menu interface is clearer and provides you with more intuitive and efficient navigation of functions Voice Activated Recorder: Enable AVR voice activation function, adjust 7 levels of voice control sensitivity, recorder for lectures only when the teacher is talking, capture human voice clearly and accurately, and won't let you miss any important details of the conversation. And the recorder will stop recording when no one is talking, reducing silent segments, saving your playback time and disk space, widely used in classrooms, meetings, interviews, lectures, and other occasions Simple and Efficient File Management: The recording files are named by the specific time when you start recording, which is easy for you to identify and find quickly, and the numbers of the file names correspond to the year, month, day, hour, minute and second in order (YYYY-MM-DD-HH-MM-SS). You can delete all recordings with one click or transfer the recording files to your computer with the included Type-C cable. (Windows and Mac compatible) Pre-Sales After-Sales Service: lf you have any problems with your recorder, such as disk error, please refer to page 15-19 of the manual for troubleshooting, and feel free to contact us through Amazon, we will reply to you within 24 hours to ensure that you have our guidance