Fitbit Charge 6 Advanced Fitness & Health Tracker, Porcelain w/ Fitness Bundle Brand_Louisville Slugger All-Systems GNSS mode: Up to

All-Systems GNSS mode: Up to 15 hours

Intelligent Pro technology

DCR (DyNamic Contrast Ratio): 12M:1

Put an end to unwanted ghosting and flaring - the Nano Surface Coating has been applied to lenses within the system

Battery Saver Watch Mode: Up to 38 days/87 days with solar*

Fitbit Charge 6 Advanced Fitness & Health Tracker, Porcelain w/ Fitness Bundle Brand_Louisville Slugger All-Systems GNSS mode: Up toFitbit Charge 6 Tracker Product Feature Heart rate on gym equipment Connect Charge 6 to your favorite compatible exercise machine and see your real time heart rate directly on the display. Compatible with select workout machines that support the Bluetooth Heart Rate Profile, and coming soon to more. See here for more information on Charge 6 compatible machines. Daily Readiness Score Find out if your body's ready to work out or needs time to recover.