1、Easy to Clean: The electric lunch box adopts a independent inner container. 1000ml inner container sealed lid does not leak. The inner container is separated from the main unit, water and electricity are separated. 2、Premium Material: The heated lunch box is made of food grade material, high temperature resistant, secure to use. Whether heating up a meal or keeping it warm for later consumption, you can rely on the premium construction. 3、Portable USB Charging: Rechargeable heating lunch box using portable usb charging, convenient and simple, anywhere with the charge, small size, easy to carry, ensuring that you can enjoy warm meals wherever you are without any hassle. 4、Built in 16000mah Battery: The lunch container is built in 16000mah battery, can be used for a long time.Say goodbye to the inconvenience of needing frequent recharges as this lunch box is designed for your convenience and comfort. 5、5 Gears Heating: When the lunch box is heating, there are 5 gears to choose from, 20/30/40/50/60 minutes, with long term heat preservation function. This versatile feature ensures that your meals stay at the great temperature until you are ready to enjoy them. Item Type: Rechargeable Heated Lunch Box Material: Stainless Steel, ABS Battery Type:Battery (Shipped with Built in Battery) Battery Capacity: 16000mah 1 x Heating Lunch Box (including 1000ml inner container) 1 x Charging Cable 1 x User Manual 1 x Accessories 1 x Adapter