High-definition remote recording: This recorder can realize high-definition remote recording, and the sound is 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 effect is just like what you hear yourself.Long recording time: This recorder has a very long recording time, up to 1200 minutes of recording. More importantly, its password setting can protect recording files.MP3 playback function: This recorder has MP3 playback function. In addition to recording, you can also listen to music. You can easily choose what you want.Multiple modes: The recorder has multiple modes for you to choose. You can freely switch between loop mode, sound mode and repeat mode. In addition, this recorder has 5 high-quality recordings to choose from, 32KBPS-384KBPS.