Description

Specification:
1. The heating materials: High quality PET nanometer heating films
2. The outer layer materials: Velvet + EVA environmental protection layer + Cotton + Non-woven nylon composite
3. The heating constant temperature: *5 degree
4. Input voltage: 3.7V
5. Insole size: ****6 yards. Max *6 yards. In order to get a correct size, you can cut according to the line.
6. It can keep you warm for about 4 hours.
 
Packing details:
Package size: **3***0**0mm
Carton size: **5***0***0mm   *0pairs in one carton
Weight: **0g(one pair)
 
Advantages:
1. With 2pcs li-ion rechargeable battery ***0mA/pc
2. Removable in outdoor, can keep warm in **5 hours
3. Comfortable and safe
4. Can be cut to fit your side
5. Can customized your logo or design.
 
Notice:
1. Please charge the battery full before using the batteries in case they have not been used for a long time(more than *0 days)
2. Avoid direct radiation of sunshine on the lithium battery.
3. Store this item in an environment temperature of 0°C**0°C.
4. Keep the lithium battery far away from moisture.
5. Keep the battery far from high temperature and micro-wave oven.
6. Do not fold the heating element.

Looking forward to your inquires, and we are sure every of your questions will get our prompt responds! Thanks!