The Asus Zenwatch 3 WI503Q was announced in 2016, August. Released 2016, December With 1.39 inches AMOLED, Powered by Qualcomm MSM8909W Snapdragon Wear 2100 and running Android Wear OS 2.1, the device delivered smooth performance and multitasking capabilities. while the Li-Ion 341 mAh, non-removable ensured long-lasting usage.