Apple Watch Series 6 and Ultra 2 offer under-the-radar features like Precision Find to locate iPhones.The Workouts app allows users to create custom workout plans based on various metrics like distance, pace, and time.Apple Watch Series 10 and Ultra 2 feature speakers for listening to media content without earbuds.Other features include controlling Apple TV, using walkie-talkie with friends, customizing Activity Ring goals, and detecting sleep apnea signs.