OPPO’s Bubble turns the back of your phone into a tiny magnetic screen
OPPO has launched Bubble, a 1.73-inch AMOLED magnetic rear display that attaches to the back of the Reno 16 (and other compatible OPPO/OnePlus models) to act as a selfie viewfinder, wallpaper/video viewer, or standalone fashion accessory; it supports live previews up to 10 meters away, is priced at CNY 499 (~$75), and goes on sale May 29 in China with no global launch announced.