This 18L wearable compressor refrigerator features -20℃ deep cooling and 77-hour long-lasting cold retention. It adapts to car, home and camping power supply scenarios, adopting ergonomic wearable design for easy carrying. The wear-resistant waterproof shell fits outdoor use, and food-grade inner liner keeps food fresh safely. It perfectly meets fresh-keeping needs for self-driving, camping and daily home use, solving the trouble of perishable food and poor temperature control of ordinary coolers.