
Oppo’s Bubble adds a circular back-screen to preview rear selfies
Oppo’s Bubble is a 7mm-thick circular AMOLED screen that sticks to the back of select Oppo phones to provide live framing and remote shutter control for selfies using the rear camera. It offers wireless range up to about 33 feet, charges via USB-C, and is priced at 499 yuan (~$73) in China with no confirmed global release. Compatibility is limited to a small set of Oppo devices (via an accompanying app), and attaching it may require a magnetic case or a device with embedded magnets; the Bubble can also display 3D characters or wallpapers when idle, but battery life isn’t announced.













