Camping Foot Warmers: Women's Men's Heated Insole With 2 Rechargeable Li-Ion Batteries and Heating Pads (Best Battery Heating Units), Rechargeable Heated Insole Keeps You Warm and Comfortable All Day.
LONG LIFE LIFE: The electric heated insole is powered by a 3.7V lithium-ion rechargeable battery that lasts 5-6 hours. When the battery is exhausted, connect it with the charger to the battery.
3-level temperature control: The 3-level set temperature controller can adjust the temperature to your liking. Warms up in about a minute to keep feet warm
Unisex Electric Heated Socks Kit: The insole warmer is super comfortable, thick and well padded; absorbent, breathable, quick-drying, stretch-thickened, uses an ultra-thin electric heating module
PERFECT GIFT FOR PARENTS AND FRIENDS: Great gift for indoor and outdoor activities such as skiing, leisure, fishing, camping, snowboarding, hunting, hiking, snow shoveling.