With the popularity of mobile game machines, these products have been widely used in daily life. For example, the common cashier equipment in supermarkets, ATM card swiping equipment, etc., this type of product needs to cope with the high frequency of clicks or touches, and it can quickly and accurately output feedback to the input signal through the smart chip. The product features durability and short response time. Due to the rapid development and upgrading of chips, the upgrading speed of such products is relatively fast.