SOMO-II by 4D Systems Design and production,in Hong Kong One Core Century Technology Co., Limited Spot sales,And can pass Hong Kong One Core Century Technology Co., Limited Purchasing。SOMO-II Price reference $ 30.600000。SOMO-II - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SOMO-II Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial