? Product name: Electric blanket Electric blanket fabric: flannel Frequency: 50 Hz Electric blanket position: 4 speeds Applicable objects: single, double Size: 180x120cm, 180x150cm, 180x200cm, 180x80cm ? Product Features * How to use electric blanket correctly? Simply lay the electric blanket under the sheets / matts, the electricity cannot be folded. After the power is turned on, the switch must be exposed, and it is forbidden to cover it. Do not use it as a quilt. Do not sleep directly on the electric blanket. * Why can't I feel the temperature after the electric blanket is turned on? The electric blanket is a constant temperature temperature control, which is close to the human body temperature and accompanies you to fall asleep. If the temperature is too high during sleep, you will be burned and the power of the electric blanket is low, so you need to warm up half an hour in advance. * Is the electric blanket washable? We do not recommend washing the electric blanket. Generally, electric blankets are placed under the bed and will not be dirty. If they are accidentally soiled, spread the electric blanket on the board and wipe it with a soft brush, or use some dilution. Lightly wipe the soiled surface with water, then brush it with clean water, then dry it in a ventilated place. Never dry it with electricity or expose it to the sun.