1. Designing reference designs and making evaluation boards, writing technical documents (application note, datasheet, user guide, analysis report....) & reviewing customer's designs (schematic and layout reviews for every customer design).2. Provide applications, technical support of audio products for customers, marketing, sales and the field application engineering force. 3. On-site support customers to reproduce, characterize, internalize and resolve bugs and customer issues.4. Achievement: USB-C headset, Laptop docking, ANC headset, Gaming Headset, Lync (Skype for Business) monitor