healthy heating insole for keeping warm
1)fast warm up to 40~50 degree
2)low voltage for safety design

Healthy heating insole for keeping warm(rechargeable battery heating shoe insole)

Features:

Material:insole & carbon fiber heater

Rechargeable battery power supply

Low power consumption about 2.5w

Safe and reliable temperature increasing, highest 40-50 degree

Fast warm within 5-10 min

1.2m USB cable

High technic from Japan heating carbon fiber material with high temperature and voltage performance

No electromagnetic radiation

Improve blood circulation and immunity

Keep from wet,bacterium,pernio,barbiers

Warmer products specialized in air-conditioned room or cold weather

Cut the size you need from 27-43yards