We,TC Technology (Group) INT'L Limited,are professional in manufacturing all kinds of headphones,other electronic products with rich experience in OEM & ODM order nearly 10 years, with a strong R & D product team to study new products and provide customized service,All of our products meet with CE,ROHS,FCC,REACH,etc. Hope to establish business relationship with you! Should you want know more about our company, pls visit .