Over the past years, Hnsat Digital Recorder has been focusing on the development, design, production, and marketing of wearable recording device in China. The professional voice recorder series has become a hot product of Hnsat Digital Recorder. The expected air permeability of this product is determined by the characteristics of the raw material, the geometric characteristics of the yarn used, the structural parameters of the woven fabric, the technology used to produce the fabric and the finishing process. This product is going to allow companies to mass-produce products at outstanding speeds and with great repeatability and quality.
Our ultimate goal is to be an internationally spy voice recorder supplier. Inquiry!