Heated Blanket Soft 5V Safety 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 safety: 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 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.