feature Far-infrared carbon fiber, after a special process Production thickness is only 0.02cm / 0.01" flexible Sheet-shaped heating element, uniform heating, high heat High conversion rate, fast heating, soft and comfortable. Safe and reliable, USB interface output voltage Only 5V, the output voltage of the adapter is only 6V, With voltage stabilizing protection device, two The output voltage is less than 36V human body safety voltage. Energy saving and environmental protection. Power is less than 8W, an average of 1 kWh of electricity for 125 hours. It can be put directly into the shoe for easy storage. Separate legs, flexible and practical. Power supply, USB socket, one end of USB power supply Connect the cable to the USB socket of the computer, and The other end is connected with the insole. The sole is soft and comfortable to wear. It can also be used as Home shoes. Plush models, female models pink models, gray models man. A great gift for parents, children, lovers and friends. Specification Product name: USB heating shoes material: plush Size: One size Male: Size 39-43 (24.5Cm / 9.64") to (26.5 cm / 10.43") Ladies: sizes 35-39 (22.5 cm/8.85 inches) to (24.5 cm / 9.64") Color: pink gray Maximum temperature: 55 Cable length: 150cm Voltage: 5V Washing and care: hand wash in water notes Due to the difference in lighting and screen settings, the color of the item It may be slightly different from the picture. As manual measurement is different, please allow a difference of 1-3cm. Thank you for your understanding packing list 1 pair x heated shoes 1 x USB data cable