[ MEDICAL COOLER 2.0] The cooling bottle through charger powered can be used to use to keep the internal temperature cooler than 25℃(45℉) the external temperature, and keep the temperature in a low temperature range, which ensuring that the medications you need to refrigerate are safe and effective. [LARGE CAPACITY] The insulin travel case with 0.3L internal capacity space can carry more medicines while traveling. Which can hold multiple vials, up to 6 insulin pens, or 20 insulin bottles, which makes it the perfect companion for daily business trips to the office or traveling with family and friends. [PRECISE TEMPERATURE CONTROL] The refrigerator case must prohibit incrase the risk of freezing medication. Therefore portable medicine cooler can safely detect temperature fluctuations, and thanks to the auto shut off/on option, and automatically adjust the power to maintain stability. [PORTABLE USB CHARGING] The insulin cooler travel case uses USB charge, no matter you are in the car, airplane, train, or at the computer, power bank, car lighter, the travel medicine kit can be used to meet your needs in all scenarios. [NOTE TIPS] 1. The refrigerated cup must be working in the state of power supply, without power cannot be working. 2. Because of charger, cars, and mobile power of the supply are different, so there be differences in the cooling speed. 3. Due to the difference in environmental temperature of the outside world, it also affect the temperature and temperature of the cup. Color:Black Material:plastic Size:25x8cm Package Contents: 1 * Insulin Cooler Travel Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.