5v Low-voltage Heating Blanket Usb Electric Blanket Multi-functional Hand Warmer Knee Blanket Office Lunch Break Heating Blanket Cover Blanket Features: warm and stylish; made of super soft cotton velvet material. USB power connector and extension cord give you a more free experience. Just 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 cable. Material: Falai cashmere + lamb cashmere minute heat cycle between 40-60 There is a temperature control chip in the heating, which automatically cuts off power when it is higher than 65 degrees and automatically heats when it is lower than 40 degrees Specification: Material: Crystal velvet Size: About 60x80cm/23.6x31.5in Voltage: 5V Power: 2.5W Length of power cord: 80cm Rated power: 10W derail type: no derail Electric blanket gear: no gear Package List: 1x heating blanket 1x Chinese and English instructions Notes: Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks! Due to manual measurement, please allow slight measurement deviation.