Shenzhen Dohenson Electrical CO., Ltd is located in Shenzhen,China. We are a professinoal manufacturer with 10 Years Experience, focus on power bank & bluetooth speaker development and manufacturing since 2010. As a dynamic new company, our design and sales team are in this industry 7-10 years. We have our own ID designers, electronic engineers, mechanical and QC engineer, can do OEM&ODM according to customer requirements.Our products are exported to many countries and regions, such as Europe, Asia, Africa, Middle East, America and others.iRise gives high priority to the product research and development activities and interpersonal improvement since the company was established. 70% products are private mode,have innovative design concepts.Newest develop mold can produced in a large shipment in 20-25 days after the confirmation of the sample. Commitment:The reliable and reasonable allocation of resources has greatly helped on our cost controlling.We are proud to say that we are offering the probably most Competitive Products in this industry.