This innovative product is designed specifically for individuals who require insulin injections and need to keep their insulin at a low temperature for up to 48 hours. The included smart Bluetooth temperature hygrometer allows you to check the bottle's internal temperature on your phone at any time via TUYA's app, avoiding worries about high temperatures that can cause medication loss and reducing your temperature anxiety.The Prnaiev Insulin Storage Flask features a high-quality insulation system that maintains the temperature inside the flask, ensuring that your insulin stays at the appropriate temperature even in extreme weather conditions. The Prnaiev flask is made from durable materials that are resistant to impact and wear, ensuring that it lasts for a long time. The lid is easy to open and close, and the flask is designed to be leak-proof, so you can be confident that your insulin will stay safe and secure. The Prnaiev Insulin Storage Flask is compact and portable, making it easy to take with you wherever you go. Whether you're traveling, going to work, or simply running errands, the Insulin Storage Flask is the perfect solution for keeping your insulin at the right temperature. Don't let temperature fluctuations compromise the effectiveness of your insulin injections – invest in the Insulin Storage Flask today and enjoy the peace of mind that comes with knowing your insulin is stored safely and securely for up to 48 hours! 【Any after-sales problems, contact our mailbox, you can get a warranty of 2 years, and free return and exchange service!===== Homecareas@outlook.com 】