【Safe Electric Blanket】Cordless heated blanket, Say goodbye to power outlets! Our USB heated blanket can be powered by a portable battery, providing you with warmth on the go. Based on low voltage [USB power supply], there is no possibility of electric shock, it is safer than AC power. Safe to use with CE certificate. (Note: 5000mAh power bank included). 【USB Heated Blanket】Cordless and Portable. Cordless heated blanket Size: 150 x 85 cm. The portable heated blanket is designed to be lightweight and portable, easy to carry and store. The USB heating blanket can be used to cover the knee, wrap the waist, drape over the shoulders, seat cushion, warmth, perfect for lounging on the sofa during cold nights, watching TV, reading a book or just relaxing. 【3 Heat Levels】You need to long press the button for 2-3 seconds, the heated blanket with a battery will start to heat. Press the button to choose your ideal comfort with 3 adjustable temperature settings: Red light: 60°C; Blue light: 50°C;