【USB power supply】It is designed with zipper pocket, which can put battery in.You can wear it and move freely without worrying about the power supply. Note: This item does not come with a power bank.5V/2A power supply is recommended.【6 Heaters】6 heaters are evenly distributed on the blanket. In addition to keeping warm, you can also use the blanket to relieve stress, bad circulation and sleep problems by regulating your temperature.【Timing function】It has 3 heat levels corresponding to 45℃ 55℃ 65℃ respectively to find your comfort temperature.It can be timed 1H, 2H or 4H, "0H" means that the timing function is not turned on.【Machine washable】The switch and heater are waterproof. When washing in the washing machine, please insert the USB cable into the pocket and wash the blanket in the laundry bag.【Top quality material】Our electric heated blanket uses soft and skin-friendly micro fleece fiber which is known to last longer, resist stains and fading better than traditional cotton blankets.