This product does not contain batteries and needs to be powered directly. Stop working immediately when power is cut off. Affected by the ambient temperature, the set temperature may not be reached and the temperature may fluctuate during operation (not exceeding the set temperature by 4°F), which does not affect the safety of the meds.

【Portable refrigerator with Big capacity】--The external volume looks small,but the internal volume is big enough.Big inner size: 7.09 * 2.24 *1.97 in. Insulin cooler travel case can put in 5-6 insulin pens, or 12 bottles,or 35 refills.

【Adjustable Temp Control】--The temperature of the cooler bottle can be adjusted from2℃（35.6℉）to 20℃（68℉） anytime and anywhere This product is powered by USB and can be connected to laptops, car power supplies, etc., making it convenient for you to travel and protect your drug safety anytime and anywhere.（The temperature displayed is the core temperature of the machine, which may be inaccurate, about 2-4°F）

【Fast cooling】-- Insulin medcine fridge with the intelligent refrigeration chip records the temperature every 1 second,it can cool down from room temperature 86 ° F to 2-4℃（ 35.6 ° F ~ 39.2 ° F） in 30 minutes. Sandblasting aviation aluminum liner: The circular arc angle of the bladder is designed to avoid the bumping of medcine in the box on the way.

【Multiple Power Supply Modes 】--USB cable,power bank,/car/Household power supply can be used,suitable for travel,home,commuting,business travel and office,etc.Suitable for various places such as travel, home, business, and office.（Must use original data cable）

【Caution】-- Insulin cooler travel case is for diabetics.Thank you for choosing our products, we will serve you wholeheartedly.Avoid exposes medicines to extreme temperatures . Note: 1. Do not cover the ventilation slots. 2. Do not use in high temperature or immerse in water.Please contact us when any problem.