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 provide a more convenient experience. Central heating: Lightweight and discreet, built-in carbon fiber heating pad can be powered by mobile power bank, laptop, car USB adapter, USB socket charger, USB hub, or MicroUSB mobile phone charger. Recommended power output: 5V-12V/2.0-3.0A. Indoor and outdoor use: Designed to provide extra warmth for travel, office, home, outdoor, and vehicle use. Portable function generates heat according to the USB power supply. Recommended output power is 5.0V-12V/2.0-3.0A. Not intended for use in ambient temperatures below 55°F. Easy care: Machine washable and tumble dry safe. Disconnect the power cord before washing or drying. Low voltage safety: Operates at 5V-12V/2.0-3.0A with waterproof cable. Material: Polyester fiber Heats within one minute to a temperature between 40°F and 60°F. Equipped with a temperature control chip that automatically cuts off power when above 65°F and resumes heating when below 40°F. Size: 75x120cm / 29.5x47.2inch Package Contents: 1 x Electric blanket; 1 x 1.2m extension line; 1 x Non-woven storage bag