The Oppo Band Style is Oppo's latest wearable smart device - a fitness and health tracker band with some extra smartwatch-like features. Priced at ₹2,999, the Oppo Band Style is betting big on continous SpO2 monitoring. It also offers a 1.1-inch AMOLED screen, a 12-day battery life, and sleep tracking. The 12 fitness tracking modes should cover just about any activity one wants to do. After spending some quality time with the device, we tell you just how useful this new wearable is.