Google Pixel Watch 2 - Sky/Silver Longer battery life. Now you can go even longer without worrying about the battery.* Get 24 hours on a single charge while using always-on display.** ? A lighter, more advanced design.*** Three new sensors enable advanced heart rate tracking, skin temperature tracking, and stress management.**** And a light, 100% recycled aluminum housing makes the watch even more comfortable.***** ? Fitbit?s most accurate heart rate tracking. An all-new sensor and Google AI combine for Fitbit?s most spot-on heart rate tracking yet.****** So you can get more precise info about calories burned, Active Zone Minutes, and sleep patterns.******* ? Check for signs of stress. With Fitbit?s body-response feature, get help identifying potential signs of stress, so you can manage it in the moment.******* ? Feel more at ease with Safety Check. ? When out for a run or walking alone at night, set the timer. If it expires with no response, your watch will share your location with emergency contacts. ? Reach your goals faster with Pace Training. ? Set a pace goal when running and get real-time feedback ? how close you are, motivational visual indicators, and milestone alerts. ******* So you can take steps to stay on target. ? Manage your life, even on the go. ? Get things done right from your watch. View, respond to, and delete events and messages in Calendar and Gmail