The single package of 3-volt button electronics is the suction package of transparent PP film and color cardboard card, the wholesale reference price is negotiable, the FCL package is 1000 CARDS/box, the minimum order quantity is one box. The 3-volt button electronic is made of high-quality zinc parent and stainless steel material, with advanced leak-proof technology, belonging to 3-volt, with high-quality wear-resistant, high-temperature resistant imported steel sheet, performance assurance, high reliability, durability, not because time is too long and power loss. The 3-volt button electronics are widely used in electronic toys, voice gifts, clocks, computers, portable radios, flash lighters, key chains with lights and other electronic products, as well as 2320,2330,243,2450.