Product: upstartech Heated Insole Wireless Foot Warmer Electric Heated Heated Shoes Insoles Foot Warmer Multiple Sizes for Women Men Winter Outdoor Hunting/Fishing/Shoveling Snow (M - Women's 5.5-9, Men's 4-8)
Brand: upstartech
Color: black
Rechargeable foot warmer heated insoles generate pleasant and healthy warmth while simultaneously stimulating blood circulation in a natural manner. And it is great for any type of outdoor activity such as skiing, hiking and fishing etc. Uses high tech wireless thermal technology no wires, extension cords, Velcro Straps or battery strap brackets & no batteries mounted to your ankle, shoe or waist. Lithium ion polymer batteries embedded in the foot warmer insoles are rechargeable Can be recharged up to 500 times using the charger that is included 
 Features: Soft EVA material, provide warm and comfortable for your foot Advanced far-infrared heating element distributes heat gently and evenly Waterproof design, perfect for hiking, fishing and other outdoor hobbies Adjustable Shoe Size: Adjustable to your shoe size -trim 
 
 Package Included: 1 * Pair Heated Insoles 1 * Remote Control
Warm and Comfortable: Made of soft EVA material, simply trim to fit; Max Temp: 150 ℉/60 °C, perfect for the winter. The unisex design is ideal for both men and women
Wireless control with 3 heat settings: with 3 heating levels to choose between, High - (III): 150℉ for 4 hours, Medium - (II): 131℉ for 6 hours, or Low - (I): 115℉ for 8 hours . Using industry leading safe heating technology
Adjustable Shoe Size: Adjustable to your shoe size -trim the soles for the perfect fit following size guide. Size 4- 12 (35 - 45)
Rechargeable Battery Heated Insoles: Keeps feet warm, recharges at least 500 times using the included charger,Operated by a small and lightweight, wireless remote control.
Safe: Far-infrared heating element distributes heat gently and evenly. Built-in thermal protection module.Once it is overheat,it would stop.It is absolutely safety for your foot.

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