Features:Gradient Double-sided cotton velvet : Gradient color, front and back compose of gray and blue;warm and stylish; made of super soft cotton velvet material.USB power connector and extension cord give you a more free experience.Only Central Heating: Lightweight and invisible,built-in carbon fiber heating pad can be used by mobile power, laptop, car USB adapter,USB socket charger, USB hub, MicroUSB mobile phone charger. Recommendation (5V-12V/2.0-3.0A output power).Indoor + Outdoor: Designed to provide extra warmth for luxury travel, office, home, outdoor and vehicle use.It has a portable function and generates a reasonable amount of heat according to the USB power limit.The recommended output power is 5.0V-12V/2.0-3.0A. Not applicable to ambient temperature below 55F.Easy to Care: Can be easily treated, machine washable and roller dried.Please disconnect the power cord before washing or drying.Low voltage safety: 5V-12V/2.0-3.0A standard power output with waterproof cable.Material: Falai cashmere + lamb cashmereSize: 60*80cmPackage Contents:1X Heating blanket