Home » Gadgets » Sunwill Thermal Underwear Gadgets Sunwill Thermal Underwear December 4, 2019 79 Rechargeable battery electric thermal underwear with Knee, back and waist both heatingKEEP FEET WARM: Suitable for all kinds of outdoor activities like skiing, fishing, Jogging, hunting, cycling, hiking motorcycling, maintaining climbing walking dogs, running, shoveling snow,promote blood circulationLONG HEATING TIME:2 Powered by ultra-large capacity 7.4v3000mah rechargeable lithium battery packs,duration 2-5hours with 3 heat setting
