【1 inch TFT LCD COLOR SCREEN】 The fitness tracker adopted LCD color screen you can easy to see photos or read informations even under strong sunlight. It provides exclusive screen background version options for man(blue starry sky) and women(purple starry sky). Besides, it comes with an additional strap which suitable for wrist width within 24 cm, strong and durable. 【ACCURATE DATA + LONG STAND BY + IP67】This fitness watch features optimized accurate data such as heart rate and pedometer. The pedometer is explicitly calculated with the swing of the arm to record your movement. With USB2.0 / 5V 500MA charger, 1.5h to get full charged, support 15 days standby or continuous working time 3-5 days. Dust-proof and ip67 waterproof can wear it while hand washing, showers and other everyday environments, but please note it not for swimming, diving. 【CALL/MESSAGE/WHATSAPP NOTIFICATION】 Turn on the apps notification, so you get calls message whatsapp SNS and all social software reminder without bothering your phone. Sleep monitor from 10:00 pm to 8:00 pm record your deep sleep, light sleep and wakefulness in the app to understand your daily health.