SHENZHEN BASSWORLD TECHNOLOGY (KO-STAR) is a leading noise cancelling technology expert and professional audio manufacturer.With 16 years experience in headphones and speakers,our product lines include: high performance wieless noise cancelling headphones, ture wireless headphones, Bluetooth headphones. We have in-house design,tooling,injection,moulding,dynamic drivers development and manufacture,assembling and advanced quality assurance testing.The total factory area is 6000 square meters and there are more than 200 skilled workers.
Being a partner of world famous brands,our talented designers and 6 experienced engineers develop 7-9 new models every year,most of them are trend-setting and selected by famous brands. We obtained 32 patents for our invention by 2017.
Our factory is ISO9001:2015 certificated.And it is BSCI and WAL-MART audit approved.Our products are CE,ROHS,PAH,LFGB,SCCP,FCC,CED CA65 compliant for different markets.With standard modern quality control system and no-compromise-on-quality attitude,we enjoy good reputation in world market for KO-STAR quality and competitive price.