Senhaitech Technology Co.,Ltdis an enterprise specializing in manufacturing, marketing and R&D of  Portable Bluetooth Speakers, Wrist Pedometer Watch, Bluetooth 4.0 dongle/adapter, Miracast dongle ezCast  Bluetooth Speaker, Wrist Pedometer Watch, EzCast Manufacturer and so on. Speakers, Pedometer Watch, ezCast China Manufacturer. The product is widely welcomed by customers. The qualification of most product has met the technical and quality standard of Germany, The U.S., Japanese and other developed countries.