A staff member shows remote control with 5G and artificial intelligence (AI) technologies during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
Visitors try out electronic ink devices during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
A visitor walks past an exhibitor booth during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
Visitors look at an interactive car dashboard that uses wireless network technologies during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
Visitors look at a wireless network device on a driverless car during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
A staff member (L) introduces solar-powered bus stop display panels based on electronic ink and wireless network technologies during the Mobile World Conference Shanghai (MWCS) 2018 in east China's Shanghai, June 27, 2018. The three-day MWCS 2018 kicked off at the Shanghai New International Expo Center on Wednesday, showing trending mobile products, services and technologies. (Xinhua/Fang Zhe)
