Specification Name: refrigerated cup Cup content: 900ml Output power: 5W Cup weight: 0.8kg Material: 304 stainless steel Color: blue, purple Electric cooling aging: unlimited cooling No electricity cold preservation time: 24-36 hours Charging method: USB connection Package Mixing cup lid Insulation cup body Custom crystal box Ice bucket Medicine cold box Cooling cover Refrigeration cabin 3C plug data cableInsulin cooler travel cup, small in size, very convenient to carry and travel. Each cup is equipped with a lid, which can be carried with you or hung on the bag. The total capacity of the insulin pen refrigerated box is 900 ml, and it can also store 6-7 insulin pens. When the ice crystal box is used for cooling, it can also hold 5 insulin pens when charging. As a diabetes suitcase with a vial holder, it can hold 6-8 vials. When the machine is running, the noise is less than 30 decibels, creating a quiet atmosphere. 2-8 (?) intelligent temperature control. The insulin cooler travel cup supports multiple power supply methods, such as computer USB, home, car, mobile power, and can be used anytime, anywhere. Only 0.12kWh per day. Energy saving and environmental protection. This medicine storage cup provides 3 cooling methods, from the most basic city travel to the most extreme conditions, which can fully meet all your needs. (?Power supply and refrigeration ?Insulation of ice crystal box ?Emergency ice cube cooling).