Oppo R821T FInd Muse official Pictures. Oppo R821T FInd Muse is a Smartphone of oppo. The Oppo R821T FInd Muse Android Smartphone. Announced 2013. Features 4.0″ Display, MT6572 Chipset, 3.15 MP Primary Camera, 1700 MAh Battery, 4 GB Storage, 512 MB RAM. Oppo R821T FInd Muse price starts.