Heated USB Insoles, Adjustable Sizes 41-46 - **Custom Fit**: Easily trim the insoles from the toe side to match your shoe size. The cutting lines and sizes are clearly marked. - **Carbon Fiber Construction**: Made from flexible, foamy carbon fiber, these insoles offer high mechanical strength, providing lightness and extra cushioning for your feet. - **Reusable and Easy to Clean**: The carbon material is washable and reusable, resistant to chemicals, making it suitable for disinfection and deodorization. Clean with a damp sponge and dry before use. - **Safe to Use**: Operating at a safe voltage of 5V, these insoles are completely safe to wear, even in wet conditions. **Specifications**: - Material: Foam carbon fiber - Heating temperature: Up to 55 degrees Celsius - Universal size: 41-46 - Power supply: USB - Cleaning: Damp sponge - Waterproof: Yes - Heating time: 3-5 minutes - Adjustable size: Yes - Cable length: 9 cm - Voltage: 5V - Dimensions: 28.5 x 9.5 cm - Thickness: 0.5 cm - Weight: 0.081 kg - Packaged weight: 0.088 kg