Shenzhen Qing Yang Xin Technology Co., Ltd was founded in 2011 and it is located in Bao'an District of Shenzhen city (the foot of Phoenix Mountain). Our main products include Blue tooth headsets, In-Car infrared headphones and active noise reduction headphones, or other headphone style etc. They are widely used in aviation, communications, home appliances, education, entertainment and other fields. In addition, we also supply some other new hot-selling electronic products such as electronic balance scooter and so on.

Since the founding of the company, we have persisted in the research, innovation, development for highly quality products and provided perfect after service which have helped us to win a good reputation from our domestic and foreign customers. At the same time, our headphones are well widely sold to China, Europe, America, Japan, South America, Middle East and other countries and get some good feedbacks. For now, we have established closely OEM/ODM cooperation relationships with some headphones manufacturers, distributors, traders.

In addition, we are doing our best to establish our brand of "undertone". We will always insist on the best service to every customer and create perfect products as our goal. All products are strictly produced according to the standard of ISO9001: 2000, we have also built a strict quality management system to inspect the raw materials and finished products. To ensure products that reach to international standards, we have got CE, FCC &ROSH certificate.

For the future, we will adhere to working closely with our customers from hardware and software design to first hand-made sample and shipment, offering a lot of value-added services to our clients.

Our purpose- Listening best voice, enjoy t