Key Features . Aluminium CaseTrack your steps monitor your heart rate and moreFall and Car crash detectionWatchOS 10Up to 18 hours battery with normal use (36 Hours in low power mode)Built-in GPS to track activity and share your locationCompatible with iOS SmartphonesWater resistant to 50 metres . A powerful move forwardCustom Apple silicon makes Apple Watch Series 9 more capable intuitive and faster. The dual-core CPU has 5.6 billion transistors - 60 percent more than the S8 chip. A four-core Neural Engine processes machine learning tasks up to two times faster. It enables a number of innovations including a gesture - double tap. Magic at your fingertipsGestures make Apple Watch even easier to use anytime especially when your hands are full. Just double tap your index finger and thumb together to answer a call open a notification play and pause music and more. Brighter displayA brilliant breakthrough. The advanced display system in Series 9 boosts the maximum brightness up to 2000 nits - double Series 8 - so it's easier to read in full sun. It's also better in low-light situations like a movie theater because it dims to just 1 nit. Siri-ously capableWith Series 9 Siri requests processed on your device are faster and more secure. Plus Siri dictation is up to 25 percent more accurate. And coming later this year you can ask Siri about your health data including things like how much you slept last night. Or use it to log information such as your weight or period. HomePod controlWatch takes the stage. A second-generation Ultra Wideband chip enables integration with HomePod. When music is playing Apple Watch Series 9 opens the playing screen to let you control it. If nothing is playing the Smart Stack will offer media suggestions to play on HomePod. Your iPhone - lost and precisely foundAlso enabled by the second-generation Ultra Wideband chip Precision Finding can now direct you to your iPhone by showing you its approximate distance and direction. And when you get close haptic feedback an audible chirp and a visual indicator help you zero in on it. Apple's first carbon neutral product is hereThrough ongoing innovations in materials clean energy and low-carbon shipping Apple Watch is now available in case and band combinations that are carbon neutral. Powerful insights at a glanceApple Watch helps you better understand your mental and physical health. Health data is kept private and secure. And when you're ready to share with a healthcare provider friends or family members you're in control. Everything at the speed of lifeApple Watch keeps you connected to the people and things that you care about right from your wrist. And with a cellular plan you can do it all without your iPhone nearby. Simply motivatingWhatever workout you have in mind it's sure to be on your wrist and ready with just a tap. See all the metrics you need to keep motivated in customizable views. And durability that makes it easy to give it all you've got without sweating how your Apple Watch will hold up. Safety - easy as wearing your watchWhether you fall get in a car crash or need help in an emergency Series 9 can call for help when you need it..