4GB Voice Recorder Necklace Pendant Audio Voice Recorder for Lecture Interview Meeting Class HD Noise Reduction Feature: Product Name: Voice Recorder Material: Zi-nc alloy Product color: Black Product size: 4.2x3.7x0.96cm/1.65x1.45x0.38in Packing size: 10.7x6.3x2.9cm/4.21x2.48x1.14in Net weight0.04kg/0.088lbs Gross weight: 0.082kg/0.18lbs Recording method: key recording Recording time: about 35 hours Recording format: WAV Playback format: MP3 / WMA / WAV Sampling rate:48KHz Battery capacity: 120 mAh The Pendant Design & -Key RecordingLight as a feather, no pressure to carry: you can hang it around your neck and use it everywhere you go(Note: you need to prepare your own lanyard). One-Key can start or stop/save the file which is named by the recording date and time, realize easy file management. Reject complicated steps and record important content anytime, anywhere! 4GB Large CapacityMini voice recorder is equipped with a large capacity of 4GB. Meet your various recording needs. Built-in battery can record continuously for about 35 hours a full charge. Support recording while charging, and has data protection function, automatically save when the battery power is low. Automatic Noise Reduction & HD RecordingWhich can capture farther/lower but clearer sound. Personalized and stylish, an ideal choice for gifts. Voice Activated ModeIntelligent voice-activated recording, it starts recording when recognizes the sound around; stops recording when quiet. Save quantity of electricity and memory space. AppllicationsIdeal for lecture, class, inspiration, meeting, interview and more. It is a wonderful gift for teachers, students, etc. Package Included: 1 x Mini Voice Recorder 1 Instruction manual 1 Headset 1 Power cord