The Asus Zenwatch 2 WI501Q was announced in 2015, September. Released 2015, September With 1.63 inches AMOLED, Powered by Qualcomm MSM8926 Snapdragon 400 (28 nm) and running Android Wear OS 2.1, the device delivered smooth performance and multitasking capabilities. while the Li-Ion 400 mAh, non-removable ensured long-lasting usage.