Apple unveils new Apple Watch, iPad products, subscription plan

Apple on Tuesday unveiled Apple Watch Series 6, Apple Watch SE, two new iPad models, and Apple One subscription plans during its virtual September 2020 event. Apple Watch Series 6 can measure the oxygen saturation of users' blood, so the users may better understand their overall fitness and wellness. To compensate for natural variations in the skin and improve accuracy, the Blood Oxygen sensor employs four clusters of green, red and infrared LEDs, along with the four photodiodes on the back crystal of Apple Watch, to measure light reflected back from blood, the company demonstrated. Apple...