Oppo Watch S2 is now available for pre-order in the country via the Oppo China online store. The new smartwatch will go on sale in China in three colour options, namely “Vibrant Orange”, “Misty Powder”, and “Mountain Shadow Grey” (translated from Chinese). The company has also revealed the design and other details of the soon-to-be-launched smartwatch. The Oppo Watch S2 will offer the effective “fat-burning gram visualisation”. The upcoming smartwatch will also feature an upgraded health-tracking sensor. The optical sensor is claimed to deliver 75 percent enhanced anti-interference (translated from Chinese), along with claimed exercise heart rate accuracy of 98.8 percent.