Taobao card AG13 electronics

This is a special electronic customized for taobao customers, convenient for customer sales, transportation, storage. A large calorie 324 grains, a medium calorie 162 grains, a small calorie 9 grains, 3 grains for a group. The electrons used are high capacity and high capacitance. Trouble performance good, long storage time. Often used in calculators, toys, clocks and so on.