The world of smartwatches has evolved dramatically and quickly. That is unless you consider Google’s Wear OS platform, which hasn’t grown or changed much since the 2.0 update nearly two years ago. That’s what OPPO had to work with for its Watch—a platform riddled with shortcomings relative to the rest of the market. But by adding its own features in, it hopes to offset Wear OS’ faults.
Source: Oppo Watch Review: Making the Most Out of a Bad Situation – Review Geek