Material: 304 stainless steel Dimensions: 24.5*12.3*9cm Color: As shown Charging time: Approximately 6-8 hours Battery capacity: 12,000 mAh 1. Large Capacity: This electric heated insulated lunch box has an extra-large capacity, easily accommodating enough food to meet your daily needs without the limitations of a smaller lunch box. 2. Double Insulation: Crafted with a high-quality 304 stainless steel liner and double-layer vacuum insulation, it effectively maintains the temperature and humidity of your food, ensuring a delicious and appetizing meal. 3. USB Rechargeable: No need to worry about forgetting the power cord; this lunch box is USB-rechargeable, making it incredibly convenient and practical, allowing you to enjoy delicious meals anytime, anywhere. 4. Versatile: Suitable not only for students and office workers, but also for travel, camping, road trips, and other occasions requiring warmth and warmth. 5. Safe and Convenient: Utilizing safe and reliable heating technology, it eliminates potential safety hazards during use. Easy cleaning and maintenance make your life more convenient. We include an insulated bag and cutlery for easy portability. Package Includes: Lunch Box (1), Cutlery (1), Charging Cable (1)