Heating material: far infrared carbon fiber
Upper material: EVA
Sole material: EVA elastic fiber
Temperature: 40-50 degrees (depending on the environment)
Size AND Style:
A:35-39 Scalable (USB cable)
B:40-44 Scalable (USB cable)
C:35-39 Scalable (USB cable + adapter)
D:40-44 Scalable (USB cable + adapter)
Whether with USB: yes.
Note: This type of heating insole can not save electricity or heat, the insole should be energized to generate heat. Need to power off for cooling. Power bank can be used for outdoor use, make sure that output is 5V/2A.
Insole *1 pair
USB cable *1 pc (or USB cable 1 pc+ Adapter 1 pc)
The colors deviation might differ due to different monitor settings.