Bullet Points: 1.App Remote Control: Effortlessly manage your heated insoles with upgraded app control; adjust temperature from 40-60C via slider and button; forget about carrying a remote or replacing batteries; enjoy in warm, comfy feet anytime with easy app remote control; no need for registration 2.Uninterrupted Coziness: Equipped with a 3000mAh battery, our heated insoles provide up to 9 hours of uninterrupted coziness after full charging. Don't let cold feet ruin your outdoor adventures; rest easy knowing your feet are warm while hiking, camping, or fishing. Happy feet, happy trails 3.Rapid Heating Technology: Equipped with small holes that cover the heating area and quickly disperse heat, our heated insoles keep you energized and warm during outdoor work and winter activities 4.Improved Performance: Experience unparalleled foot comfort while staying warm during daily wear or strenuous exercise. Our heated insoles feature light, soft material and elastic shock absorption effect for a cozy, non-shock fit 5.Adjustable Design: Create a perfect fit for your feet by trimming the heated insoles along code cutting lines. Adjust them to your shoe size for improved support and stability Experience warmth and comfort in your feet all day long with our Heated Insoles! Easily adjust the temperature between 40-60C and worry no more about cold feet. The insoles evenly distribute calories and provide comfortable shock absorption. Specifications: Name: heated insoles Material: PU foam Voltage: 5V/3A Overcharge protection voltage: 4.2V Temperature: 3-speed adjustment Battery capacity: 3000Mah Size: S size: 35-40 Euro size L size: 41-46 Euro size Insole function: keep warm, heat the insole Suitable shoe types: leather shoes, sports shoes, boots (all outdoor shoes in winter) Packing List: heated insoles x1 pair charging cable x1 manual x1