kumadai electric lunch box, heated lunch boxes for adults usb operated 304 stainless steel portable food warmer lunch box with 2 container heated lunch box for car and home,green kumadai electric lunch box usb powered<br /><br />portable electric lunch box gives you a healthy lunch wherever you are<br /><br />can be widely used for truck, car, office, school, travel, picnic, party, old people, etc.<br /><br />capacity: 0.8l<br />voltage: 5v<br />power: 12w<br />liner material: 304 stainless steel<br />body material: plastic<br /><br />package<br />1*lunch box ;2*removable container;1*usb cable;1*user manual<br /><br />safety precautions<br />1.do not switch power on when the lunch box is empty;<br />2.do not freeze the lunch box in the refrigerator.<br />3.do not put the electric lunch box in the microwave and refrigerator.<br /><br /><br /><br />