This footwarmer offers convenient remote control operation, no wires or external batteries. And up to 2500 hours of toasty heat to warm cold feet.
- Rechargeable foot warmer is operated by a wireless remote control while the foot warmer is inside your shoes or boots.4.5 5.5 Inch (Mens)/6 7 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