USB Heated Shoe Inserts Warm Boots Footwear Insoles NEEDIVYOU Winter Snow Hot Legs Customize Size 35-46

USB HEATED SHOE INSERTS WITH THE POSSIBILITY OF CUTTING TO SIZE: EASY DIY FIT – just cut them to the desired size from the finger side. You can easily adjust the size of the insole to the size of your shoe . The cutting line with the size is visible on the insole. CARBON FIBER – made of comfortable, flexible and foam carbon fiber. They are characterized by high mechanical strength. They will provide lightness and additional cushioning for your feet . CLEANABLE AND REUSABLE – the carbon material is also washable and reusable chemical resistant so it is suitable for disinfection and deodorization . Clean the inserts with a damp sponge, and after washing, dry them before use. SAFE TO USE - the voltage of the inserts is 5 V, so it is well below the safety voltage for the human body. Wearing the insoles is completely safe even in wet conditions. SPECIFICATION – material: foam carbon fiber; universal size: 35-40; heating temperature: max. 55?; power supply: USB; cleaning with a damp sponge; dry before use; waterproof: yes; heating length: 3-5 min; size adjustment option: yes; output voltage: 5V; adapter input voltage: 6V; cable length: 153 cm; dimensions: 25/9cm; thickness: 0.5cm; weight: 0.074kg; weight in packaging: 0.082kg. SPECIFICATION: material: foam carbon fiber heating temperature: max. 55? universal size: 35-40 USB powered cleaning with a damp sponge dry before use waterproof: yes heating time: 3-5 min size adjustment option: yes voltage: 5V cable length: 153 cm dimensions: 25/9cm thickness: 0.5cm weight: 0.074kg weight in package: 0.082kg INSTRUCTIONS: - Use as intended. - Do not use the product if it has been damaged. - Only cut the inserts in the designated areas. - Monitor product condition regularly. - Do not repair or modify the product without proper skills. -Do not use on damaged skin. -The inserts can reach high temperatures. Avoid prolonged use at too high a setting, which may result in burns. -The use of the inserts by children should only take place under adult supervision to avoid the risk of burns or other injuries.