S320 by onsemi Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。S320 Price reference $ 0。S320 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information S320 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial