3 Mode Scarf This heated neck wrap's temperature can be adjusted to 107°F(Blue Mode)/118°F(Orange Mode)/131°F(Red Mode)! Intelligent Thermostat & USB Electric Charging Through innovative carbon fiber nano-film, combined with temperature sensor, this power management system forms a new heating method, which can achieve faster, accurate, more uniform heating & zero overheating! Press the switch for 3 seconds, you can feel the warmth of the temperature spread in the neck, enhancing blood circulation! Perfect for sore neck muscles! This is a TSA Certified 5V 4W heated scarf,& can be used for 4-7 hours! Definitely perfect for traveling! Soft & Lightweight Only 0.8 pounds, it is filled with Dupont cotton that's super soft & lightweight comfortable to wear! What's more, it has a strong heat storage performance! Easy to Use & Easier to Clean It features a magnetic snap-on lock! Just wrap it around your neck & easily stick both ends together! No need for complicated wrappings! It's stain & waterproof! Easily handwash or machine wash! Just take out the battery before washing. Get this self-warming wrap that's made for comfort & style NOW! We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!