USB Heated Shoe Insoles - Rechargeable Electric Foot Warmers for Men & Women - Thermal Winter Insoles for Boots, Hiking & Outdoor Activities - Machine Washable & Comfortable for All-Day Warmth

Feature:Built-in rechargeable lithium battery can provide 4-7 hours of use time.Suitable for outdoor enthusiasts and outdoor workers.Heating elements made of carbon fiber produce consistent heat to keep you warm in cold weather.Size-adjustable design insole can be used for almost any shoe, boot.The insole of high-resilient foam and velvet fabric material is thick enough to provide a comfortable experience.Specification:Name: heating thermal insoleConditions: NewColour: BlackMaterial: 95% cotton + 5% spandex, carbon fiber strandNotes:The product does not contain mobile powerAlways need to move the power supply to the heat (recommended 5V2A mobile power)Package Includes:1 Pair Heated InsolesPrecautions for use:1. Please unplug the power supply when not in use to avoid prolonged heating.2. The elderly and children need to use under supervision.3. It is strictly forbidden to wear electric shoes for strenuous exercise to protect the heating chip.At last:1. Due to the difference of light and screen, the color of the product may be slightly different from the picture.2. Due to manual measurement, please allow an error of 2-5 cm.We will use the best products and services to help you.We hope that every customer will be happy every day ^ _ ^

❄️Foot heating. : Built-in rechargeable battery electric heating insole with two 3.7V rechargeable lithium-ion batteries, keep you warm and comfortable all day

❄️ Practical Electric Thermal Insole: This Electric Thermal Insole has extra pockets for storing small valuables or a spare thermal pack. Waterproof zipper helps keep batteries dry and/or valuables safely dry

❄️ PREMIUM MATERIAL: This electrically heated insole is made of spandex fabric cotton, which is both breathable and thermally insulating. Can keep warm for a long time. The temperature is just right for your comfort.

❄️Electronic thermal insole can be used for whole body warmth: Men's women's winter thermal insoles are suitable for various outdoor sports, such as camping, hiking, hunting, horse riding, driving, skiing, rock climbing, running, shooting, etc. Prepare a warm gift for yourself, lovers, friends, parents, elders, say goodbye to cold hands.

❄️We guarantee that our products are 100% brand new, if you have any questions after receiving the goods, please contact us in time, we will reply you within 24 hours, you can buy with confidence