72 hours long recording time, ultra low power circuit design, continuous recording of up to 72 hours, three days and three nights uninterrupted work;
High-quality recording PCM format, use the professional audio DSP chip, the built-in digital noise reduction technology; Clear reduction recording the scene;
Product support FM functions and FM record function;
Product has timestamp function, With time as the recording file naming, convenient for the user to sort out and check the recording time;
Product support intelligent piecewise recording and Timer-Power-on recording function;