ZMMDD USB Heated Shoe Insoles - Rechargeable Foot Warmers for Men & Women - Winter Thermal Insoles for Outdoor Sports (Black, Size 35-40) - Perfect for Skiing, Hiking & Cold Weather Activities

Uniform heating, high heat transfer efficiency, fast heating speed, soft and comfortable. Easy to use. Just put on your shoes and turn on the power to enjoy the warmth. Soft and comfortable, fine workmanship, ultra- thin design, maximum elasticity, thickness only 4mm. Use waterproof material, which can be cleaned directly. More convenient, cleaner, according to the free cutting line, insoles can be cut according to your shoes Product Specification: Product Name: USB insolesTemperature: about 40 - 50℃Voltage: 5V/2A Optional dimensions: 35-39, 40- 46( free cutting) Packaging list: Insoles* 2 USB line * 1

Uniform heating, high heat transfer efficiency, fast heating speed, soft and comfortable.

Easy to use. Just put on your shoes and turn on the power to enjoy the warmth.

Soft and comfortable, fine workmanship, ultra- thin design, maximum elasticity, thickness only 4mm.

Use waterproof material, which can be cleaned directly.

More convenient, cleaner, according to the free cutting line, insoles can be cut according to your shoes