Unisex Heated Underwear Tops, USB Electric Thermal Underwear T Shirts Fleece Lined Ultra Soft(No Battery)

Stay Warm Naturally with Smart Heating TechnologyExperience deep, soothing warmth with this unisex heated thermal underwear top. Engineered with high-efficiency carbon fiber heating panels strategically placed across the back, it delivers targeted far-infrared heat that penetrates tissue layers to promote healthy blood flow, reduce discomfort from stiff muscles, and maintain core body temperature in freezing conditions.The underwear is equipped with a large core heating carbon fiber element (back heating zone) to generate heat. Press and hold the power button to turn it off/on. Press the power button to adjust the three temperatures. When the temperature is too high, it will stop working immediately. If it encounters a short circuit, the system will automatically cut off the power supply to fully protect your safety.Ultra-fine carbon fiber heating elements bring health effects to our body1. The far-infrared light waves are directly supplied to the damaged tissues of the human body to relieve joint pain.2. Promote human blood microcirculation, enhance metabolism, and make you healthier.3. Release heat for our body and reduce muscle stiffness.4. Wearing close-fitting, self-cultivation and comfort, make you slim and fit in winter.Temperature range: heating underwear provides a temperature of 30-50 degrees.Mode low: 30 degrees, blue LED indicator, can be heated for 4-6 hours.Mode medium: 40 degrees, white LED indicator, can be heated for 3-4 hours.Mode high: 50 degrees, red LED flashing, heating for 2-3 hours.The package includes:1xLong sleeve underwear (not including power bank)Washing recommendations1. Machine wash or hand wash gently with warm water. The dryer is safe.2. If you use the machine to wash, please pull up the pocket zipper and use the attached laundry bag.Whether you're braving icy winds on a ski slope, riding a motorcycle in winter, or simply staying warm at home, this heated apparel enhances your thermal protection and overall well-being.Note: Please refer to the size chart before purchasing to ensure proper fit for your heated clothing.

• FAST CARBON FIBER HEATING TECHNOLOGY: Thermal underwear the advanced carbon fiber heating elements in the back rapidly warm up within seconds, delivering consistent heat from neck to lower back. This far-infrared heating helps improve blood circulation, relieve muscle stiffness, and support joint comfort during cold exposure.
• 3 ADJUSTABLE HEAT SETTINGS: Thermal underwear easily control warmth with three temperature modes Low (30°C/86°F), Medium (40°C/104°F), and High (50°C/122°F). A simple press of the button cycles through levels, with LED indicators showing current heat mode for intuitive use.
• USB-POWERED CONVENIENCE: Thermal underwear connects to any standard USB power bank (not included) for on-the-go heating. No built-in battery means lighter weight and flexible charging options. Perfect for travel, commuting, or extended outdoor adventures where power sources are limited.
• ULTRA-SOFT FLEECE-LINED COMFORT FIT: Thermal underwear are designed with brushed fleece interior and stretchable fabric for next-to-skin softness and freedom of movement. Snug yet breathable fit works as a base layer under jackets or worn alone indoors for cozy warmth.
• MULTI-SCENARIO USE FOR ACTIVE LIFESTYLES: Thermal underwear is Ideal for winter sports and cold-weather activities including skiing, snowboarding, hunting, fishing, motorcycling, camping, hiking, and daily urban wear. A practical heated solution for anyone facing prolonged exposure to low temperatures.