Therapeutic insoles for footwear with the ability to cut to sizes 35-44.

Features:

• Simple DIY installation: Cut the insoles to the desired size from the toe side. The cutting line and size are visible on the insole.
• Carbon fiber construction: Made from comfortable, flexible, and foam carbon fiber with high mechanical strength, providing lightness and additional shock absorption.
• Clean and reusable: Easily cleaned with a damp sponge and suitable for sterilization and deodorization.
• Safe to use: The insole voltage is 5V, below the safe voltage for the human body, suitable even in wet conditions.

Specifications:

• Material: foam carbon fiber
• Maximum heating temperature: 50°C
• Universal size: 35-44
• Power supply: via USB
• Waterproof: yes
• Heating time: 3-5 minutes
• Size adjustability: yes
• Output voltage: 5V
• Dimensions: 28.5 / 9.5 cm
• Thickness: 0.5 cm
• Weight: 0.081kg