About this item

• 【30 Seconds Rapid Heating】This product makes your feet feel heat within 30 seconds.
• 【4-10h Heating time】Because of the existence of temperature sensors, the amount of heat generated by different users will vary greatly. People with cold feet need more heat. Shoes with good thermal insulation performance waste less heat. More heat is required for use in low temperature environment. Therefore, different heat requirements directly affect the heating time.
• 【Safety Protection】The heated insoles built-in temperature sensor, which will stabilize at the set temperature when the temperature reaches the set value and will not overheat.
• 【Easy to use】Thickness: 6 mm. The insole can be cut from size 35 to 46 to get the perfect fit. Washable (by hand or machine). The product is powered by rechargeable battery(7.4V2600mAh), and it has two ways to wear，easy to carry and use.
• 【Prevent slipping】The silicone on the back of the insole can prevent slipping, and the insole will not wrinkle during the exercise.
• 【Largest heating zone】The largest heating zone (M:4*19cm; L:4*21cm) can give you the warmth from the toes to the heel.
• 【Ideal for Gifting】 The HIWARM far-infrared heated insoles ensure your feet stay cozy and comfortable during chilly winter days. Enhance your energy for various winter pursuits like hunting, fishing, skiing, or hiking.
• 【4 Constant temperatures】The approximate temperature range is 36 ° C -55 ° C (97 ° F - 131 ° F). (depending on ambient conditions). Temperature can be adjusted through the battery power buttons or remote control.