Check out the future of wireless charging showcased on the Oppo X rollable display phone

There are only a handful phones on the market that offer really fast charging, and the are right up there with the best. While not sporting the current 120W charging record, they are still able to fill up phones like the or for under 40 minutes. 

Oppo took to the stage at the MWC expo in Shanghai today to announce that its to companies as ...