【64GB Digital Voice Recorder】KINPEE portable voice recorder (80 * 25 * 10mm--lipstick size; 52g) has built-in 64GB memory, which can store recordings (voice mode) from 48 hours (WAV 1536 kbps) to 4640 hours (MP3 32 kbps) or 8000 songs (music mode). Built-in 400mAh rechargeable lithium battery, supports up to 13 hours of continuous recording after a single full charge of 3 hours. Charge or transfer files via the provided Micro-USB cable. Ideal recording device for lectures, meetings, interviews, classrooms, journalists, etc.【1536Kbps High Quality Voice Recorder】The voice recorder is equipped with a professional recording chip, 2 built-in AGC noise reduction microphones, which effectively reduce background noise and support stereo recording up to 1536kbps. The built-in speaker can directly play recordings and music.【Multiple Compatibility】Files are saved in MP3/WAV format. The recorder can also be used as an MP3 player or a flash drive compatible with Windows and Mac.【Voice-activated recorder】After activating the "VOR" function, the sound will be automatically detected during the recording process. When the sound reaches the decibel standard, the recorder will start recording. When the sound is below a certain decibel standard, the recording will pause after about 2 seconds. This can avoid invalid recording and save recording time and capacity. Note: The "VOR" voice control function must be turned on in the "Settings Mode" to achieve this function.【Multi-function recorder】One-button operation is simple, you can record or save. Turn on the recorder and slide the "REC" button up to start recording. After the recording is completed, slide the "Save" button down and the recording will be saved. Long press the "M" button to return to the main interface. The recorder also has functions such as automatic saving, A-B repeat, fast forward and rewind (16 variable playback speeds), timestamp, timed recording, segmented recording, recording monitor, password protection, etc.