HTC | Harman Earphone Concepts HTC | Harman Earphone Concepts from Eric Sia HTC | Harman Earphone Concepts Co branding HTC and Harman International. gLike HTC | Harman Earphone Concepts Co branding HTC and Harman International. 3D Modeling Industrial Design Product Design Share R 7 n Eric Sia Industrial Designer St. Louis, MO Follow Contact