We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for 3 PIN battery Base, slide switch 2 pin mini vertical, 5.5 mm jack plug, micro USB charging port,round push button switch. Welcome to post your sample and color ring to let us produce according to your specification.Welcome your inquiry! Looking forward to building long-term cooperation with you! The product will supply to all over the world, such as Europe, America, Australia,Vancouver, Qatar,Tunisia, Canada.We've a skilled sales team, they have mastered the best technology and manufacturing processes, have years of experience in foreign trade sales, with customers able to communicate seamlessly and accurately understand the real needs of customers, providing customers with personalized service and unique merchandise.