Smart Heated Insoles with Battery & APP Control,3-Temperature Adjustable Rechargeable Foot Warmers for Men and Women,Full-Foot Heating & Cut-to-Fit Design for All Shoes(41-46)

5000mAh Long-Lasting Heat & 3-Temp Precision: heated insloes low setting (45-55℃) for 6-hour mild warmth,Medium (50-55℃) for 4-hour enhanced heat,High (55-60℃) delivers 3-hour intense warmth – ideal for all-day outdoor adventures Full-Foot Heating Technology: Carbon fiber heating elements of hetaed insoles cover toes to heels,eliminating cold spots for uniform warmth in freezing conditions – perfect for skiing,hiking,and icy commutes APP-Enabled Smart Control: Bluetooth connectivity enables remote on/off switching,custom temperature scheduling (e.g.,morning warm-up,energy-saving night mode),and auto-shutdown – no manual adjustments needed Cut-to-Fit Universal Sizing: Pre-marked trim lines adapt to sizes 41-46,compatible with sneakers,snow boots,work boots – one pair fits all footwear effortlessly Quickly Heated Insoles for camping Upgraded electric heated insoles with a carbon fiber heating chip transfer heat quickly to feet and warm the body. Useful in winter for blood circulation and preventing frostbite,suitable for those with arthritis,poor circulation,and stiff joints. A must-have for winter.