Features： 1、Humanized Open Design: Reefer is easy to install ice cubes, temporary emergency cold storage for 5?8 hours, temperature measurement at about 2?8℃. 2、A Variety Of Usage Methods: Scientifically respond to different scenes, quickly start refrigeration in 10 seconds, and store insulin easily and quickly. 3、Convenient To Carry: Solve trouble of keeping traditional Chinese medicine cold and cold, and it is convenient to travel, one cup can be filled with 1?2 packets of traditional Chinese medicine. 4、Inner Cooling Box Design: There is an internal refrigerated box, which can be used for both electric refrigeration and ice cubes to keep a cup cold. 5、High Quality Material: Cup body is made of 304 stainless steel vacuum insulation cup, and top down cooling and heat dissipation design enhances cooling effect. Specification： Item Type: Mini Refregrator Car Reefer Cup Content: 900ml Power: 10W Package List： 1 x Insulation Cup 1 x Insulation Cup Lid 1 x Refrigeration Cup Lid 1 x USB Cable 1 x Medicine Storage Tube 1 x Ice Tube 1 x Ice Tube Lid 1 x Manual