About us Shenzhen On Watch Technology Co. Ltd is a professional manufacturer in Shenzhen which is famous as Chinese silicon valley. With cutting edge technology and continued effort, we have developed many different series smart watches. Our products are outstanding featured by many different styles like Bluetooth4.0, GPS , voice message, WeChat, heart rate monitor, sleep monitor etc.,OEM/ODM service offeredWe provide one-stop service from customized design, manufacturing and after-sales service.and persist in the principle " Quality first, customers foremost". With strong R&D team and professional product lines, we have established business partners and distributors in hundreds of countries with annual sales over 50 million.Why choose us?1. We offered 1 year free warranty for all of our products.2. Fast delivery 1-3 days for 1000pcs below, 10-15 days for 1000pcs above. 3. Our products are also guaranteed by CE, ROHS,FCC certificate.Cooperate with us todayIf you are interested in any of our product, pls don&＃39;t hesitate to call us.Welcome your enquiry and visit to our factory anytime!