scarf
warm scarf

【 specification 】 fabrics: wave grain of flocking size: 60 cm long, wide 6 cm color: can be chosen 【 product features 】 1. The fever material: environmental protection carbon fiber, to human body health and safety 2. USB power supply, 5 V voltage, no security hidden danger, the Internet is no longer cold this winter. 3. If you want to take down collar, on the edge of the open gently only magic stick can 4. Fabrics soft and comfortable, heat preservation effect is good, the surface is embroidered with decorative pattern design Carbon fiber fever material characteristics: 1, fever efficiency high carbon fiber heating element is a kind of pure blackbody material, in electricity-hot conversion process almost nonexistent visible light, and therefore it has a warming rapidly, hot lag, fever, and even small thermal radiation heat transfer of distance, speed, etc. In the process of work far less than the heating element metal luminaire electric heat pipe, electric conversion efficiency is as high as 98% above. Than with the power of the tungsten molybdenum materials metal heating element thermal efficiency is increased by more than 30%, as to the time to save more than 30%. 2, far infrared radiation effect, health care function significant far infrared ray carbon