Shanghai mearsun Technology Co., Ltd. is based in Shanghai. It is a new high-tech company integrating R&D and marketing. Its main business is: bone conduction hearing aids, bone conduction earphones, medical equipment, electronic products, health consulting services, etc. We are a team that builds popular models. We have created more than 10 popular models. The number of single product sales is 100,000, and the sales are over 100 million. We can quickly build a brand.