Lithium Battery Powered & Rechargeable Heated Insoles Keep Feet Warm Pad, Keep Warm 8-9 hours, Size: 39-40 yard(Brown)

Portable rechargeable heated insoles designed to keep feet warm. Features a built-in lithium battery module for extended use.

• Product type: Shoes Care
• Compatibility: Shoes
• Material: EVA-foam, carbon fiber
• Key feature: Rechargeable heated insoles
• Color/Variant: Brown
• Intended use: Keeping feet warm
• Category: Hands & Feet Care
• Runtime: 8-9 hours
• Washing instructions: Washable via brush, not machine washable
• Heating material: Waterproof heating material
• Comfort: Soft and comfortable EVA-foam
• Heating efficiency: High conversion rate, saving power