Smart Temperature-controlled Electric Insole Warm Foot Graphene Heating Insole Warm Foot Artifact Warm Foot Treasure, EU Plug, Size:41(Black for Men)

1. Type: fever Insole
2. Net weight: 400g
3. Packaging size: 4 x 13 x 38 cm
4. packages: one pair
5. Advantages: fast heating; long heat preservation; long life; more power saving; safer; more durable