Oppo has launched its K3 smartphone, and debuted VOOC and Super VOOC tech supported power banks in China. The Oppo K3 comes with a pop-up selfie camera, a dual camera on the back, and an AMOLED display. Oppo says that the display of the phone has been certified by Germany's TUV Rheinland for eye protection - a tech has been included in several recently-launched phones.
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