1SET 5V usb 1 trailer 2 heating element. Insoles warm heating element 8 * 13CM40 ~ 45degree

 

Surface temperature: 40 ~ 45 ()

Voltage: 5v ~ 6V)
Thickness: 0.5 (mm)
Specification
8 * 13CM
5V2A be equipped with a temperature above usb power only.
 

 

 

 

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