The OPPO Watch 4 Pro was announced in 2023, August 29 With 1.91 inches LTPO AMOLED, Powered by Qualcomm Snapdragon W5+ Gen 1 (4 nm) and running ColorOS Watch 3.0 - China, the device delivered smooth performance and multitasking capabilities. while the Li-Ion 570 mAh, non-removable ensured long-lasting usage.