Features: High-quality Fabric: Made of high-quality polyester and high-grade long-staple cotton fabric, fashionable to wear, delicate and soft. Lightweight and Comfortable: The neck warmer with longtime warmth retention is lightweight and comfortable, not burdensome to wear on the neck. Washing Mode: It can be directly and repeatedly cleaned with the anti-leakage design, no need to disassembly. Rapid Heating: The scarf can warm whole neck rapidly. The heat preservation effect is obvious due to the ergonomic design, and it is warm and comfortable. Three-speed Temperature Adjustment: The electric scarf features rapid heating and three-speed temperature. The high temperature red light about 55, medium temperature white light about 48, low temperature blue light about 42. (No batteries included) Size: About 85x10cm/ 33.46* 3.94in Material: Polyester Color: Black, Gray, Khaki Voltage Rating: 5V Power Rating: 5W Temperature Setting: 40-55 Applicable Mobile power supply: 5V 2A Note: This product does not contain mobile power Package Included: 1 x Heating scarf Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Label: Yes Washing Care: Hand wash cold, Iron at normal temperature <150C, Dry clean, Line dry in the Shade, Do not bleach