1pc Metal Clasp for Fitbit Flex Band Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Band

This UP24, in Large, is a wristband that provides feedback to help you create a healthy and active lifestyle. This product relies on a Bluetooth v4.0 connection to send you information that tracks your sleep patterns, movement and your food consumption. This wristband has a vibrating motor and lasts up to seven full days before […]

designed to be used with a tablet or smart phone for upload..lithium battery..size..1.0 x 2.0 x 1.0

Tracks all your activity including steps, calories, distance traveled and sleep.
Choose from calorie, steps or distance targets. Just tap to see your progress toward your personal goal.
Easily syncs with iPhone 4S and newer devices – no cables needed.

Sleep Quality
Advanced Calorie Tracking
ECG Accurate Heart