【USB Powered Heated Seat Cushion】Powered by any 5V/1~2A USB power source. You can power this usb heating pad by power bank, pc, laptop, adapter. More convenient to use for indoors and outdoors 【Quickly Heat Up】Heated chair cushion heats up in 10 seconds after plugged in. You can feel the warmth without waiting. Perfect for providing warmth to your hips and thighs during cold days 【3 Temperature Settings】Large heating area. 3 Heating temperature levels for choice with indicator light, one button control. Low voltage operation, enjoy warm with lowest energy and radiation 【Luxury Comfort】Super soft velvet and high-density foam, add more comfort to your seat. This heated chair pad will give you enough warming during long time sitting. Whether you need pain relief or warm in winter, is the best option 【Fit Universally】Portable heated seat cover size: 17.7in * 17.7in. Anti-skid rubber material bottom makes sure the heating cushion holds in place and not easy to fall even when you tilt the chair. Can be placed on dining desk chairs, sofas, office chairs, gaming chairs,wheelchairs and rocking chairs