BOSE is one of the well-known speaker manufacturers in the United States, headquartered in Massachusetts, with hundreds of engineers engaged in research and development alone. It is a wholly-owned independent company. The product also has excellent performance in the fields of automotive audio and aerospace technology. In addition to civilian products, Bose also has extensive development in the professional audio field. Bose's professional audio system has been successfully applied in large sports venues, multifunctional conference halls, churches, high-end hotels, and brand flagship stores. Supports dual currency credit cards and PayPal payments; Support for transportation