https://news.google.com/__i/rss/rd/articles/CBMiNGh0dHBzOi8vd3d3LmdzbWFyZW5hLmNvbS9hcHBsZV93YXRjaF91bHRyYS0xMTgyNy5waHDSAQA?oc=5 Apple Watch Ultra ; Sensors, Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water).