TEA1999TS/2H by NXP USA Inc. Design and production,in Chengze Electronics (Beijing) Co., Ltd. Spot sales,And can pass Chengze Electronics (Beijing) Co., Ltd. Purchasing。TEA1999TS/2H Price reference $ 1.675352。TEA1999TS/2H - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TEA1999TS/2H Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial