Wearable pendant design, lightweight and discreet, can be hung and carried casually, hidden recording anytime anywhere.Professional HD Noise ReductionBuilt-in upgraded noise reduction chip, effectively filters ambient background noise, captures clear original human voice.Smart Voice Activated RecordingAuto start recording when picking up sound, auto pause in silent status, save power and avoid invalid file storage.Ultra Long Endurance RecordingHigh-density battery supports long-time continuous recording, fully meets all-day meetings, lectures and interviews.Mini Portable Wide ApplicationExquisite compact size, easy to carry, perfect for business meetings, student lectures, daily life and private records.