... , speaker, pcb.3.Process / TechniqueStamping4.ColoringFilled with Soft enamel match Pantone Chart Colors5. PlatingGold, ... size: standard size or customizedCover shape: square, round, or customizedInner component: speaker, battery, PCB, ... 50g/PCGross weight: 51g/PCPCS/Carton: 300PCSPacking way: OPP bag, gift box, inner carton, ... set up in 1996, more than 4 years experience dealing export business.Good ...