Establish in 2007,Shenzhen OPOWER Development Co.,Ltd Specializing in design, manufacture Bluetooth Audio Product, including Bluetooth Speaker, Home speaker, Wifi Speaker, iphone speaker. Strong R&D Ability Our 8-member R&D Team lanches 1 Patented speaker every 2 months, which every model is unique, entirely brand new in the market. Meanwhile,Our Cooperation has R&D centers in Shanghai, Hongkong, and Tokyo to ensure our designs match with the current trends. Within our over 8-years professional tuning engineers,excellent sound quality utilize in our every speakers. High Quality Assured To ensure quality, all raw materials and accessories is Sourced from reliable suppliers and inspect strictly according to AQL standard. Quality Control is carried out by 8 QC staff with over three years' experience following the SOP standard. All our products are CE,FCC and RoHS approvals. Offering 13 month warranty and unconditional free returns on any defective products. OEM/ODM capacity: Located in Guangdong Shenzhen Baoan, our factory Occupied 1400m², Operating 3 production lines with 78 workers, monthly production capacity is 40,000 to 50,000 speakers. Contact us Now! Factory Address: Add: 3F,Baoying Industry Zone,Gongyuan Road, Baoan, Shenzhen,China