Qwin founded in 2008, is a high-tech comprehensive service enterprise which specialized in product design,schematic diagram design, physical design,pcb customize,SMT patch,product assemble, a leading professional and reliable manufactuer mainly supply Bluetooth Audio Solutions for home and abroad customers. Our products includes: Bone Conduction Bluetooth Earphone, IPX8 Waterproof Bluetooth Earphone,MP3 Bluetooth Earphone,Business Bluetooth Earphone,Sports Bluetooth Earphone, Bluetooth Headset,TWS Bluetooth Earbuds,Powerbanks, USB Cable and other Consumer Electronic products.Qwin owns a complete and professional R&D team in Structure, Electronics,Software,Design lines, 20 high educated design Engineers over 5 years working experiences. Fast delivery for product design from exterior, structure,functional prototype, Mold, quality testing,sample approval and production which promise customers to win the market opportunity. After around 10 years' of professional OEM/ODM service experience, we gain high reputation in Bluetooth solutions,Bluetooth products line and gradually formed a rigorous design style and strict manufactuer concept undergo OEM/ODM process of tempering.Always carry out " Make The Digital Products You Want" business philosophy, Qwin Technology will continue to make unremitting efforts in R&D and innovate, promise quality products from exterior,structure,function,quality,customer service for home and abroad clients. Globle famous brands " Microsoft,PHLIPS "etc. are our cooperating partners. Welcome to negotiate and cooperate with us for a long term mutual benefit business.