1、AUTO ZOOM: MP3 recorder with auto zoom microphone system, adjust to the appropriate focus to catching the sound source to ensure good recording results. 2、FIRM ADSORPTION: Due to firm adsorption, the microphone will not fall off even if there are vibrations or bumps, which reduces the high resolution ambient noise generated by friction and increases the clarity of recordings. 3、INTELLIGENT SEGMENTATION: For long time recording, the file is difficult to find the problem, the development of intelligent file naming and intelligent segmentation function, you can automatically segment the recording file according to the recording time, 5 hours automatically stored as a file. 4、NOISE REDUCTION: Sound recorder device built in high definition professional recording chip, DGC non destructive noise reduction recording to ensure that the same as their ears to hear, to achieve zero noise. 5、MEMORY SAVING: Record when there is sound, pause when there is no sound, extend the recording time and save memory space at the same time, catching the sound content. Item Type: Magnetic Voice Activated Recorder Material: Steel Recording Format: WAV Play Format: MP3/WMA/WAV Built in Lithium Polymer Battery: 3000mAh 1 x Digital Voice Recorder 1 x Instruction Manual 1 x Earphone 1 x Charging Cable