USB Heated Shoe Insoles - Cut-to-Fit Winter Warmth

Overview:
Unique design, stylish and warm.
Good material, comfortable wear.
A variety of colors, any choice.

Packing list:

pair* 1

Attention：

1. This insole only has USB,no a power bank.

2.If you use the power bank, make sure that the power bank output is above 5V/2A.