Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. USB mini refrigerator, hot and cold dual-use refrigeration and heating small refrigerator, pharmaceuticals and cosmetics refrigeration refrigerator introduce: The USB refrigerator has a closed door design, which can keep your drinks chilled to your computer for a long enough time. It is also easy to carry and can be used anywhere there is a USB plug. product features: 1. Use 5V USB power supply to cool drinks 2. The appearance is designed as a small refrigerator 3. A can of drink can be placed inside 4. Built-in LED light 5. USB interface 6. No batteries required 7. The temperature of the refrigerator can drop to 8.5 degrees in 5 minutes. 8. Volume: 19.4×9×9cm 9. Product weight: about 362g Package: 1. USB mini refrigerator 2. Instructions for use introduce: The USB refrigerator has a closed door design, which can keep your drinks chilled to your computer for a long enough time. It is also easy to carry and can be used anywhere there is a USB plug. product features: 1. Use 5V USB power supply to cool drinks 2. The appearance is designed as a small refrigerator