New ThermaCell Rechargeable Heated Insole Orange Large Mens 71/2-9 Women 81/2-10

7.5-9 Inch (Mens)8.5-10 Inch (Womens) 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 Adjustable to three temperature settings to warm cold feet by remote control: settings are no heat, medium 100 degees & high 111 degrees can be recharged up to 500 times using the charger that is included