Shenzhen DUNTUO(Dotop) Electronics Co., Ltd, 1 of TOP 10 manufacturer focus on TWS (True wireless Earbuds) and Neckband Earphone since 2009, we specialize in R&D, manufacturing, sales and marketing in TWS industry with 12 years experience. Factory with 8000 square meters located in Shenzhen, and Hubei base branch, 1700 workers, 40 production lines, output 1.2 million pcs per year. Dotop not just produce goods, but deliver the best Audio to audience's ear, sounds great, feels right! Our aim is like company name Dotop, make our product being top in TWS earbuds industry.