Portable Insulin Cooler Dual-Use USB Plug-In Rechargeable Car Medicine Incubation Box Battery-Powered for Household Travel Insulin Cooler Travel Case: The insulin cooling box adopts advanced vacuum insulation technology and high-quality insulation materials, effectively isolating external temperature interference and maintaining stable temperature inside the box for a long time. Allowing you to enjoy longer peace of mind without the need to frequently adjust settings. Large Capacity : The 9.1 * 5.9 *4.9 inch insulin cooler travel case can hold 4-7 insulin pens, designed specifically for users who need to carry multiple insulin pens. Temperature Control: Refrigerated medicine travel case is equipped with a temperature adjustment button and display function. You can freely adjust the temperature range from 32°F to 64°F, according to your actual needs, ensuring that insulin are always in the best storage state. It takes about 10-20 minutes for the temperature inside the insulin refrigeration cup to drop from room temperature to the temperature you set. Convenient to carry: The portable refrigerator is equipped with a handle, making it easier for you to carry it with one hand. The package also comes with a storage bag for easy carrying when you go out Easy to Operate: LED touch screen, convenient for displaying and adjusting temperature, one click operation can easily set the desired temperature. It is a great choice as a gift for family and friends Need Power Supply: The insulin cooler supports multiple power supply methods, such as portable power bank/car/home/battery, which is convenient and fast. Suitable for home, office, and travel occasions. Equipped with one portable rechargeable battery, each battery can work for 2-4 hours.