About the color changing, Below 68℉ would be original color, above 83℉ would be changed color, between 68~83℉ would be gradual changed color.
Material would be PU leather, much more dural than others, and with great handfeel, strong enough for long using.
Fast Charging and Sync Data.
Compatible with all Micro USB and USB Devices comes with 1 years Manufacturer Warranty
Only sold by Yamissi trademark, careful for the copiers.

Technical Details

Product Details

Package Dimensions
Width : 3.66 inch
Height : 0.98 inch
Length : 7.4 inch

Shipping Weight: 1.44 ounce (View shipping rates and policies)

ASIN : B07569C8SC