Portable & Battery-Powered: Enjoy hot meals anywhere with this battery-powered lunch box, featuring a 16,000mAh rechargeable battery. Ideal for workplaces without microwaves or outdoor adventures, ensuring your food is heated without needing an outlet. Remember to fully charge before use. Smart Heating Control: Set your meal's heating time in advance with options from 30 to 240 minutes, or keep your food warm for up to 20 hours. This lunch box offers flexibility to fit your schedule, making mealtime convenient and enjoyable without any wait. Customizable Temperature Settings: Quickly adjust heating settings with options from 149℉ to 194℉. Whether you're heating soup or a hearty meal, customize the temperature to suit your dish. Switch to Celsius by holding the "TEMP" button for three seconds. Dual Functionality: Not only does it heat your meal, but it also serves as a power bank. Charge your phone in emergencies with the lunch box's 16,000mAh battery. It fully recharges in 4 hours and