Mini Voice Recorder, Voice-activated & Magnetic, 64GB 800 Hours Capacity, Noise Cancelling, 2 Packs, Kentfaith

SKU: GW63.0001S1

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Yes, just plug it in and find the files and play. I haven't even used the device for playback, so easy on laptop. 
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Yes, if the time is set correctly in the setup file. The time is preset at the factory, and you can also alter it if needed. You can do that by editing the .txt file that is stored on the device. Connect to USB, open the file, make changes to it, and re-save. 
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Yes, voice-activated . Changing the default value from 0 to 1 is to enable smart voice recording,The sound decibel value in the recording environment reaches approximately 15 dB (start recording) . 
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Yes, just connect it to your computer with the supplied cable, you can transfer files between the recorder and your computer. If you load some music files on this device, you can play them on this device like an MP3 player or speaker does. 
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You can connect it to your phone or laptop, then manage the files. Or you can directly delete it with the recorder: when the file is being played, press "+" twice to pause, and long press the "+" and "-" button at the same time, then the red indicator flashed, indicating that the file has been deleted.