Display:0.95-inch Colorful AMOLED display with 120 x 240 pixels resolution, up to 450 nits screen brightnessLook and Design:All-new user interface for giving smoother and simplified touch screen experience,2.5D tempered glass with anti-fingerprint coatingBattery Life:135mAh battery capacity built in the Mi Band 4, max working time up to 20 days after a full charging.