This portable heater rapid heating without USB ports, maximizing efficiency for instance warmth and comfort in any setting Ideal for workers and students who need personally heating to stay warm and focused during work or study period Perfect for home offices, study rooms, or small spaces requiring quick and portable heating solution on the go Featuring a compact ABS body, two temperature settings ( 30 50°C and 50 80°C), and an intuitives knob control, this electric heater ensures durability and user friendly operations Enjoy consistent, cozy warmth with its efficient design, making it a dependable electric heater for everyday use in cold environments