Designed to provide unmatched levels of warmth and comfort, this electrically heated insole could provide increased warmth and mobility in cold temperatures. Wearers can be warm without the bulk and discomfort typically caused by excessive layers of clothing. Just be the essence of modern life!
• Size: fit for people whose foot between 35-46 ( EUR )size ( US: 4-15 size ) • Size can cut adjustable, you can cut off the size between the 35-46 size. • Material: 75 percent velvet and 25 percent sponge • Battery capacity: 2000mAh x 2 ( Built-in the insole ) • Battery voltage: 3.7V Li-ion battery • Working voltage range: 3.0V-4.2V • Max Temp: 45 Degree Celsius • Input: AC/100-230V, 40-60Hz • Output: DC/4.2V, 500mA x 2 • Keep warming time: about 3.5-4.5 hours for high temperature ( H ), 5-6 hours for middle temperature ( M ), 6.5-7 hours for low temperature ( L ) • Keep your foot warmer in winter