Heated Blanket Soft 5V Electric USB Blanket Machine Washable For Home Travel Office (75X120cm/29.5x47.2inch) with 120cm extension line Features: warm and stylish; made of super soft polyester fiber material. USB power connector and extension cord give you a more free experience. 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 55°F. Easy to Care: Can be easily treated, machine washable and roller dried. Please disconnect the power cord before washing or drying. Low voltage : 5V-12V/2.0-3.0A standard power output with waterproof cable. Material:polyester fiber One minute heat cycle between 40-60 There is a temperature control chip in the heating plate, which automatically cuts off power when it is higher than 65 degrees and automatically heats when it is lower than 40 degrees Size: 75x120cm/29.5x47.2inch Package Contents: 1X electric blanket; 1x1.2m extension line; 1x non-woven bag