Vivo Mobile Communication Co., Ltd., is a Chinese multinational technology company headquartered in Dongguan, Guangdong, that designs and develops smartphones, smartphone accessories, software, and online services. The company develops software for its phones, distributed through its V-Appstore, with iManager included in their proprietary, Android-based operating system, Origin OS in mainland China, and Funtouch OS elsewhere. It has 10,000 employees, with 10 R&D centers in Shenzhen, Dongguan, Nanjing, Beijing, Hangzhou, Shanghai, Xi’an, Taipei, Tokyo, and San Diego.