FPC, which stands for Flexible Printed Circuit Board, is a type of printed circuit board made from flexible base material with graphics It consists of insulating base material and conductive layers. The side key FPC is the FPC used in the side key part of the device, such as the side key F of mobile phones, which is used to realize various functions of the side key of mobile phones. Features Material characteristics It is made of flexible insulating base material (main polyimide or polyester film), which gives the side key FPC the characteristics of being able to bend freely, curl, and fold, and can adapt to the complex spatial of different device interiors. Electrical characteristics It has the characteristics of high wiring density, light weight, and thin thickness, which can meet the needs of electronic equipment miniization and light weight, and is widely used in mobile phones, laptops, PDAs, digital cameras, LCMs, and many other products. Uses In field of mobile phones, common OPPO mobile phones such as Find series, Ulike series, Real series, N-Lens series, etc., all use side keyPC to realize functions such as side key power button, etc. Market related In the market, there is a business of recycling mobile phone side key FPC, such recycling different series of side key power button of OPPO mobile phone. At the same time, there is also a sale of related products, and the price varies according to the situation, such as the price of mobile phone fpc flexible board key fpc flexible board is 350 yuan, and the price of mobile phone full key FPC cable is also 350 yuan.