1、NOISE REDUCTION: Digital voice recorder has acoustic DSP dynamic noise reduction processing module, effective reduction of ambient noise, simple operation, without the boot state, can also start recording with one key. 2、STEREO RECORDING: Voice recorder using highly sensitive capacitive silicon microphone, 360 degree stereo surround sound pickup, clearer sound, comes with hifi sound quality speakers. 3、SEGMENTED RECORDING: Smart voice recorder has a segmentation function, you can record files in accordance with the set recording time for automatic segmentation, such as: 30, 60 minutes incremental way to store as a file. 4、TIMED AUTOMATIC RECORDING: Just set the recording start time and end time, you can achieve automatic recording, you can also set the periodic recording (such as: single, daily, working days). 5、PASSWORD SETTING: After setting the password, you need to enter the password before you can use the phone, which can protect your secrets and recording files. 6、CELL PHONE INTERCONNECTION: Through OTG can be directly connected for Android phones, easy to manage files and download music, you can also transfer files to the phone or computer to save. Item Type: Digital Voice Recorder Material: Zinc Alloy Recording Format: WAV, MP3 Playback Format: MP3, WMA, WAV, OGG, APE, FLAC, AAC, etc. Resolution: LCM 80x160 Built in Li Polymer: 230mAh 1 x Digital Voice Recorder 1 x Charging Cable 1 x Introduction Manual