Huawei mobile devices are on display at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A consumer robot is seen at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A woman wears electronic roller skates at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A young man draws a picture on an electronic tablet at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A young woman rides an electronic bicycle at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A man picks up a mini drone at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A man takes part in a virtual reality immersion demonstration at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A robot made of toy parts is seen at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A man is seen trying an electronic mobility device at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)

A water splash proof UAV is seen at the Electronics Show in Warsaw, Poland, on May 12, 2019. The Electronics Show in Warsaw, one of the biggest consumer electronics and new technology trade show in Poland, was held here with over 350 exhibitors from across the world. (Xinhua/Jaap Arriens)