HUADA Smart Remote Control Electric Heating Insoles - USB Rechargeable Foot Warmers for Winter - Size 35-40 - Perfect for Outdoor Activities, Skiing, Hiking & Cold Weather Comfort

Features:1. The fabric is made of high-quality velvet material to keep it soft and warm;2. The bottom surface is made of foam cotton, shock absorption and shock absorption;3. The heating element is made of composite carbon fiber material, high strength and high flexibility;Product name: USB charging wireless remote control electric heating insoleSurface: high-grade velvet fabricBottom layer: selected Ossley foam materialSize: can be cut small size 36-41 large size 41-45Built-in lithium battery charging voltage/current: DC 4.2V/500mAGear position: high, middle and low third gear heating outputTemperature range: 40-68°CHeating time: depends on the temperature range

High-quality materials: velvet fabric is soft, warm and durable, not easy to color, soft and comfortable, and keeps warm at constant temperature.

Heated area: the sole of the foot is the main heating area, the heel area has a built-in rechargeable lithium battery, a remote control receiving circuit and a charging protection circuit.

Cut-out design: The size line design on the front of the insole allows you to accurately cut along the size line compared to the size of your foot. It is forbidden to cut the area within the size line.

Foam shock absorption and shock absorption: It has good breathability, sweat absorption, deodorization, and good cushioning properties, making the feet healthier and more comfortable.

Wide range of uses: very suitable for outdoor activities such as skiing, hiking, fishing, biking, hunting, etc., to prevent cold feet.