High-definition remote control recording - This recorder can realize high-definition remote control recording, and the sound is very clear within 10 meters. DSP noise reduction - This recorder adopts original professional chip, 8-core DSP noise reduction. Its fidelity can be as high as 99.9%. The recording is as if you were hearing it yourself. Long Recording Time - This recorder has extremely long recording time, up to 1200 minutes. What's more, its password setting can protect recording files. Multiple Modes - This recorder has multiple modes for you to choose. You can switch freely between loop mode, sound mode and repeat mode. In addition, this recorder has five quality recordings to choose from, 32KBPS-384KBPS. Application - It can not only be used as a voice recorder, but also as an MP3 playback function. It is suitable for classroom learning, business negotiation, entertainment tourism and other scenarios.