BYZ Digital Technology Co., Ltd. set up in 2002, is an earlier domestic company for headphones and other digital products in China. The company has more than 1000 employees, the productin capacity is about 10 million pcs per year. The company has two own brands "BYZ" and "Tongzhiyin". Productions and sales of the company include mobile hands-free headsets, MP3 / MP4 headphones, universal headphones detector etc. At least 3 months' launch speed for new products ahead the market, constantly enrich timely products, in order to maintain the leading position in the industry field, and the company has plans to develop related products field.