Fitbit Charge 4 Advance Fitness Tracker

With Fitbit Charge 4, there is no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better—like built-in GPS, Active Zone Minutes, new exercise modes and sleep tracking. Plus, up to 7-day battery, you get more convenience on the go and more inspiration to reach your fitness goals. I Water resistant to 50M; Battery up to 5 hours with GPS—varies with use and other factors.
Active Zone Minutes alert you when you’re in your personalised Fat Burn, Cardio or Peak heart rate zones
After outdoor workouts, see a workout intensity map in the app that shows your heart rate changes along your route
Use built-in GPS to see your pace and distance on screen during outdoor runs, cycles, hikes and more
Track sleep stages & review your in-app Sleep Score for an easy way to see how well you slept
Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS. Varies with use & other factors
Use 24/7 heart rate to track resting heart rate & better measure calorie burn
Get call, text and smartphone app notifications on your wrist. Plus, send quick replies to texts (Android only). Available when your phone is nearby
PRODUCT DETAILS
Batteries ‏ : ‎ 1 C batteries required. (included)
Product Dimensions ‏ : ‎ 24.7 x 2.88 x 1.25 cm; 100 Grams
Date First Available ‏ : ‎ 31 March 2020
Manufacturer ‏ : ‎ Fitbit
ASIN ‏ : ‎ B084CQ41M2
Item model number ‏ : ‎ FB417BKBK
Country of Origin ‏ : ‎ China
Manufacturer ‏ : ‎ Fitbit, Fitbit, 199 FREMONT STREET 14TH FLOOR SAN FRANCISCO, CA 94105
Item Weight ‏ : ‎ 100 g
Item Dimensions LxWxH ‏ : ‎ 24.7 x 2.9 x 1.2 Centimeters
GENERAL SPECIFICATION : 
Brand
Fitbit
Colour
Black
Compatible Devices
Smartphones
Screen Size
1.5 Inches
Item Dimensions LxWxH
24.7 x 2.9 x 1.2 Centimeters
Item Weight
100 Grams
Battery Life
5 Hours
Sensor Type
Sleep