Product details - Exercise is important, but full health tracking is much more complex'. '.strtoupper('a')pple watch series 8 has a new temperature sensor that works while you sleep'. '.strtoupper('c')ycle tracking can use that data to estimate ovulation dates combined with heart rate and cycle data, it gives you a detailed view of your menstrual cycle'. '.strtoupper('i')t will even let you know if there's possible cycle deviations, like irregular periods'. '.strtoupper('a')nd all your data is safely stored and encrypted, right on your phone'. '.strtoupper('t')he apple watch is as beautiful as ever with an always on display, and it's tough enough thanks to crack, dust and water resistance'. '.strtoupper('t')his hardy buddy can even help you out in a road accident with crash detection'. '.strtoupper('i')t can alert emergency services and your emergency contacts ndash of course, let's hope you never need that feature'! '.strtoupper('s')ee how you're sleeping with the sleep app ndash it tracks how much time you spend in rem, core or deep sleep take an ecg whenever you want, or measure blood oxygen right from your watch fall detection is optimised while you're using the workout app, helping to keep you safer with 18 hours of battery life, it's ready for all day wear boost the battery life with low power mode ndash it ups the battery to last an impressive 36 hours family setup mode lets you pair your kids watches to your phone if they don't have their own it's got all the features you love from previous generations, like maps, apple pay and siri apple watch series 8 midnight with midnight sports band, 45 mm, tracks sports steps distance calories sleep, monitors heart rate with ecg blood oxygen temperature, battery life up to 18 hours, water resistant, gps, compatible with ios |