Fitbit Charge 6 tracks key metrics from calories and Active Zone Minutes to Daily Readiness and sleep; move more with 40+ exercise modes, built-in GPS, all-day activity tracking, 24/7 heart rate, automatic exercising tracking, and more[1] See your heart rate in real time: Just link your Charge 6 to compatible exercise machines, like treadmills, ellipticals, and more[2]; and stay connected with YouTube Music controls[3] Tune into your body: Track your response to stress with a stress management score; learn about the quality of your sleep with a personalized nightly Sleep Score; and wake up more naturally with the Smart Wake alarm Run your routine with Google essentials: Find your way seamlessly during runs or rides with turn-by-turn directions from Google Maps on Fitbit Charge 6; and when you need a snack break on the go, just tap to pay with Google Wallet[1,4] Unlock more with Google Health Premium: With a premium membership, get personalized coaching that’s built with Gemini and adapts to your life[7]; get a 3-month trial at no cost to you[5] (Google Health Premium subscription sold separately)