USB travel adapter wall charger QC15W for Samsung is provided from Botong Power, which is a professional fast charger factory in China, with our own R&D team, produces reliable charger products at a competitive prices. Besides our car charger and phone charger products in stock, we have the ability to provide OEM & ODM service for you, if you are interested in our charger or adapter products, please feel free to contact us for more details.