♨ 【Easy to Carry】 : Easy to carry and operate, just plug in and wait for heating, it can only heat up to 40-50 degrees. Have a hot and delicious meal ready at lunch time. ♨ 【Instructions for Use and Precautions】 : 1. Put hot food into the lunch box, then put the lunch box into the insulated bag, plug in the power, and take it out when eating. 2. The power supply comes with USB socket and car power supply, and mobile power supply. It can be powered by a mobile phone charger plug (you need to bring your own) or a car power supply. ♨ 【Save Time and Effort】 : Compared with microwave ovens, portable heating packs save time waiting in line and maintain the original flavor of food, allowing you to enjoy the taste on your tongue. ♨ 【2-in-1 Function】 : USB can be connected to a mobile power supply for heating, or it can be connected to a car power supply, which is very convenient and practical. ♨ 【Suitable for Many Occasions】 : Food warming boxes take up little space, so you can easily take them to where you need them. Perfect for the office, travel, gym and home kitchen.