High sound quality: High-quality capacitor recording system, powerful dual microphones, support for external speaker playback, allowing you to enjoy excellent recording quality.One-key recording & voice activated recording: press REC/SAVE one-key to start/save recording, backlit display, friendly user interface, easy to set up, and provide you with simple operation. Activate the recorder only when audible sound is detected, saving space and eliminating silent channels. Powerful professional recorder: The digital recorder adopts high-precision metal structure design, which is sturdy, delicate, compact and portable. Powerful features, including music, recording and settings. Very suitable for recording your thoughts, memos, lectures, meetings, interviews, etc. Widely used: The sound of this tape recorder can be used in your semester courses. It is very suitable for students, teachers, professors, lectures, speeches, interviews, group talks, meetings, design concepts, entrepreneurs, writers, bloggers, and record your Colorful life.