Feature: 1. Rechargeable: Featuring a built in 14000mAh Li battery, it eliminates the need for an external power source. It offers the convenience of portability, allowing you to carry it wherever you go. 2. Smart Heat Retention: It comes with an adjustable constant heating feature that ensures your food maintains an appropriate temperature, reducing the risk of oral discomfort from overly hot meals. 3. Generous Capacity: With an 800ml large capacity design, this lunch box caters to the food needs of various age groups, providing ample space for satisfying meals. 4. Versatile Functionality: This multi functional device serves either as a supplementary dish tray or a smart lunch box, accommodating diverse meal requirements at home or on the go. 5. Simple to Use and Clean: Designed for easy manipulation and maintenance, it is a practical choice for both travel and home, simplifying meal preparation and cleaning. Specification: Item Type: Electric Lunch Box Material: 304 Stainless Steel Weight: Approx. 1077g / 38oz Battery Type: Li Battery (Built in) Battery Capacity: 14000mah Product Size: Approx. 14.7x14.8x12.2cm / 5.79x5.83x4.80in. Package List: 1 x Electric Lunch Box (3 Accessories)1 x USB Data Cable Note: Please fully charge the electric lunch box before use, and charge it in time after use.