Product information:
Color: White, One Size (one pair of socks, no batteries included), Black, One Size (one pair of socks, no batteries included), 3.7V 4000MA Battery (one pair of batteries), 5V 5000MA Battery (one pair of batteries), 5V 5000MA Battery (one pair of batteries with app control), Battery Case
Upper Material: Encapsulated Mesh
With USB: Yes
Suitable Gender: Unisex/Both Men and Women
Style: Minimalist
Design: Foot-Warming Insoles

Note:

1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service. 3.As you know, the different computers display colors differently, the color of the actual item may vary slightly from the following images.

Packing list:
1 x Pair of Heated Socks

Product Image: