Easy to carry keychain recorder. It adopts high-gloss surface treatment and multi-process forging of zinc alloy. High-definition noise reduction, output the original and clear human voice.One-key operation: press the right button to start recording. Press the left button to save the recording file. Intelligent voice control: start recording when there is sound, and pause recording when there is no sound.Charging time: 2 hours of charging time. It can record continuously for 25 hours when fully charged, and it supports recording while charging.Other functions: smart time stamp. Record at a distance of 60 meters. Power-on password setting. Various charging methods. Automatically save when power off.