32gb mini voice activated recorder espia digital recording sound professional dictaphone audio micro listening device mp3 player, Silver

voice activated recording one-button recording fast forward/rewind flash drive music play mobile phone otg connection 8-core chip timestamp no sound no light file deletion auto encryption usage example: when learning in class, if the sound is greater than 30 decibels, the recorder starts recording. when the sound is less than 30 decibels software and hardware matching, sound source noise reduction technology, filter noise, output original sound. when you are in a meeting or studying in class, you no longer need to use a bulky large tape recorder. flash drive mp3 player voice recorder fashion pendant the recording files are named by time, which is convenient for users to find information.syi