Fitbit Charge 6 Advanced Fitness & Health Tracker, Porcelain w/ Fitness Bundle Brand_Louisville Slugger DCR (DyNamic Contrast Ratio): 12M:1

DCR (DyNamic Contrast Ratio): 12M:1

the lens offers both stunning autofocus and smooth aperture changes

Nest Wifi makes it easy to add

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

Sony has applied the most advanced optical technology available in innovative lens elements

Fitbit Charge 6 Advanced Fitness & Health Tracker, Porcelain w/ Fitness Bundle Brand_Louisville Slugger DCR (DyNamic Contrast Ratio): 12M:1Fitbit 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.