OPPO has officially launched the OPPO Watch 2 smartwatch in China. It retains the same square shape design as the first model launched in 2020. There are 2 versions to choose from between eSIM and Bluetooth and are produced in 2 sizes: 42 mm and 46 mm. OPPO Watch 2 comes with a curved AMOLED display with a refresh rate of 60Hz, like a typical smartphone screen. It has a resolution of 372 x 430 pixels and is 1.75 inches in size for the 42mm model and 402 x 430 pixels in 1.91 inches for the 46mm model. OPPO’s newest…