Specifications:
Color: black
Weight: about 200g
Material: carbon fiber
Function: foot warmer
Applicable gender: unisex
Maximum voltage: 4.5V
Battery box: 3 x AA batteries (Not included)
Temperature: about 50℃ (at room temperature)
Heating range: within 35 shoe line
Insole thickness: 5mm / 0.20in (approx.)
Insole cable length: 34cm / 13.39in (approx.)
Insole overall size: 30x10x0.5cm / 11.81x3.94x0.20in (approx.)
Battery box strap size: 36x11cm / 14.17x4.33in (approx.)
Suitable for shoes size (EUR): 35-45

Packing List:
1 Pair * Heated Insoles
1 Pair * Straps
1* Battery Box (the battery is not included)

Notes:
1. Please use alkaline batteries or rechargeable batteries.
2. The elder and the children should be using the insoles when they are under supervision.
3. It is strictly prohibited to use the heated insoles for strenuous exercises, and the above case aims to protect the heating chip.