... Recording duration: from 6s to 270s, even more if requiredComponents: PCB, sensor, voice chip, speaker, microphone, LED indicator and batteries, ... , etc. With the soon integration of the global economy, we established Shenzhen YinXieDa Co., Ltd in 1996 and Shenzhen YDL Electronics ... and sale, and specializing in design and production of consumer electronic products and modules. Our factory is made ...