QIRDLP insulin cooler travel case , a portable USB charger travel dedicine kit can make your medicine in a keep cooling environment 2~8 ℃. This is a refrigerator specifically designed for storing low-temperature medications and does not have a freezing function. The minimum working temperature range is 0-18 ° C (32-65F ° C), which can be adjusted to the appropriate temperature through touch screen buttons, and can store any medication at a constant temperature. It must be powered on for use and does not require any refrigerant or ice cubes. The accessories include a charging head, USB cable, and can be used for home, driving, hotel, and travel purposes. The cooler bottle with tempreture has an LED intelligent touch screen temperature control screen, which can accurately display the temperature inside the box and adjust the appropriate temperature as needed anytime and anywhere. Very easy to operate and use, even for the elderly.