PRODUCT OVERVIEWApple Watch Series 6 lets you measure your blood oxygen level with a revolutionary new sensor and app. Take an ECG from your wrist. See your fitness metrics on the enhanced Always-On Retina display, now 2.5x brighter outdoors when your wrist is down. Set a bedtime routine and track your sleep. And with cellular service, you can go without your phone. It's the ultimate device for a healthier, more active, more connected life.KEY FEATURESGPS Cellular model lets you call, text, and get directions without your phoneMeasure your blood oxygen with an all-new sensor and appCheck your heart rhythm with the ECG appThe Always-On Retina display is 2.5x brighter outdoors when your wrist is downS6 SiP is up to 20% faster than Series 55GHz Wi-Fi and U1 Ultra Wideband chipTrack your daily activity on Apple Watch and see your trends in the Fitness app on iPhone