Firstsing Display Sports Watch Wristband Multi-function USB LED 3D Fitness Bracelet Smart Step Tracker

Band Material:silicone
Dial Thickness:8mm
Band Length:215mm
Color:black/blue/green/orange/rose red
Suitable for arm circumstances:14-23mm
Fashion trends,sports health experts in life.
Convenient and practical ,no need to connect the computer.
Stylish design,attractive appereance.
Fashion leisure sports watch.
More humanized design,can be a single step.can step 24 hour meter,follow conversion.
Keep track of the combustion calories.