#245#About this item 1.78” amoled hd touch screen: the smart watch features a 1.78” amoled screen. the 368×448 screen resolution offers incredible color depth and exceptional clarity. 2.5d curved tempered glass, personalized watch dials and 4 adjustable brightness levels to give you a better experience. the metal frame is made by glitter mist process. Heart rate blood oxygen monitoring: smartwatch monitors automatically and records your heart rate constantly. tracking, recording and evaluating your nightly sleep data (hours of light sleep, deep sleep and wake up) and your blood oxygen, helps you build healthy lifestyle. Upgrated strap hypoallergenic material: highquality silicone strap material could avoid the possibility of allergies to the greatest extent. polished structure smoothing strap texture fit the skin comfortably and safely. and the strapless loop design makes it easy to wear than ever. Multi ifunction smartwatch:this watch can measure steps, calories, distance, blood oxygen, breathing training, heart rate monitoring, sleep monitoring, 12 sports modes, sedentary reminder, incoming call notification, sms and app, stopwatch, alarm clock, music control, mobile phone search, weather forecast, brightness adjustment, etc. 12 sports modes ip68 waterproof: the smart watch has 12 sports modes, such as walking, running, rowing, etc. you can check sports data on the haylou fun app. the fitness tracker is waterproof and meets international standards for water resistance. ip68 waterproof smart watch could be applied in most daily occasions (except in hot water or sea water) 1 year warranty hardware 3 months warranty battery *