Portable Recording Studio - Universal - Necklace Voice Activated Tape Recorder Professional Digital Audio Recording Tape Recorder Mini Recording(Black) Highlights Universal Voice Activation Tape Recorder Necklace Professional Digital Audio Recording Tape Recorder Mini Recording( Black) Voice Recorder Activated Collar Recorder Professional Digital Audio Sound Record Dictaphone Mini Recording | Digital Voice Recorder Noise Reduction Voice Recorder Noise reduction is greatly improved, and audio recording can be recorded clearly. No sound no light Automatically start recording if there is sound and keep standby once sound, improving efficiency and power saving One button start recording Very easy to operate Long time recording date 18 hours continuous recording With hourly time Easy to find your recording files Never lost More details about portable recording