We, Ko-Star, are committed to designing and producing high quality and stylish headphones.

By more than 10 years manufactoring experience, we have organized a professional designer/engineer team for the whole production line, as well as effective and successful QC system.

Music is Sans Frontieres.

            Quality Control

• With 12 people professional QC & QA Team;
• Strict in-house QC processing;
• Triple production test before production or delivery;
• Material inspection and environment friendly test;
• Procedures/testing:IQC → IPQC → QA → OQC → QS

----BSCI Audit

---- Walmart Audit

---- ISO 9001