Bandcase Set Size Large L Multicolor Combinational Replacement Bands with Clasps for Fitbit Flex Only No Tracker/ Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Arm Band Armband (Blue+Hot Pink/Purple+Teal)

24/7 activity tracker provides guidance and motivation to help you reach your goals. Shows daily activity, feedback, calories burned, steps and time
Includes H7 Bluetooth Smart heart rate sensor (M-XXL) for accurate heart rate and calorie tracking during indoor cycle classes, yoga and more
Tracks sleep duration and quality. Flow app and web service give a detailed look into how you sleep and how changes in your daily life can affect it

Multi Function Training and Exercise Tool – Calorimeter, Pedometer, Speedometer and Odometer All In One!
Sensor Counts Steps – Personalized Calibration For Walking And Running
Displays Daily Records Of Exercise Time, Steps Taken, Distance, And Of Calories/Fat Burned

Accuracy: 97 to 98%
STEPS 0 to 99,999; DISTANCE 0 to 99999 km (0 to 99999 miles)
Calculates Calories Burned

4 activity modes: tracks steps, aerobic steps, distance and calories
Tri-axis technology counts steps accurately and quietly
Easy setup