Specifications Product Name: Heating Scarf Product voltage: 5V/2A Color: Red, Green, Pink, Gray Size: about 10 cm * 80 cm / 3.94 inch * 31.5 inch Temperature range: blue range 40C, green range 55C, red range 60C. Packing List: Electric Heating Scarf * 1 PCS (Without power supply) Features Away from the cold, quickly heat up,Make your neck warmer and more comfortable. The Perfect Gift: Soft, warm velvet fabric, which is wear-resistant and dirt-resistant, not easy to pilling and fade Soft and comfortable, skin-friendly, sanded , warm and intimate. Through heating technology, soft film heating material, rapid heating from the inside out, need to connect mobile power to generate heat, this product include mobile power. Essential in Winter: Smart heating scarf, care for the cervical spine to relieve discomfort, fast heating, three-speed temperature control, comfortable suede, machine wash, smart switch, USB power supply. Three Kinds of Temperature Adjustment: Intelligent one-key heating, realize the temperature cycle in the scarf, no drying, no heat, one second rapid heating, three temperature settings, blue range 40C green range 55C red range 60C. Note: 1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed in the pictures. 2. The color of the product is subject to the color received, please allow 2-4cm measuring deviation due to manual measurement, thank you for your understanding