Dongguan Goldstep Electronics Co., Ltd. Is a professional earphone manufacturer with 20000 square meters production base, over 200 employees and 30 technicians with 50000pcs monthly output. Our key products are TWS earphone, Bone conduction earphone, HiFi earphone, headphone ect. It has been famous brands’ OEM & ODM supplier in the last 10 years and got high reputation among the global customers by stable quality and professional service. It has obtained various certificate to help our customers for sale, like CE, RoHS, PSE, UL certificate 10 ect. A year warranty is its confidence for product to win the market. Wish to get your inquiry for product and company.