Features: Used during winter outdoor activities, office work, and study, effectively relieving neck fatigue and providing a warm and comfortable feeling. Fit and comfortable, firmly lock the warmth, light and not cumbersome, no burden on the neck, not bulky. It is elastic enough to be worn comfortably on the neck without constricting. It is not only suitable for most men and women, but also for teenagers and children. A large area of heat is generated throughout the neck, designed according to ergonomics, so the warmth preservation effect is remarkable, warm and comfortable. One second rapid heating, three-level temperature control, high temperature about 55℃, medium temperature about 48℃, low temperature about 42℃. Specifications: Material: Polyester Size: Approx.26X14CM/10.24x5.51inch Temperature Setting: 42-55℃ Color: 6 Kinds Optional Package Includes: 1x Heated Scarf note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Scarves need a Portable Charger to supply power to heat up. 4.This product does not contain Portable Charger.