3- LED Digital Temperature Display: The LED digital temperature display allows you to easily monitor the temperature of your drink, ensuring that it's always at the perfect level.
4- Portable and durable. Perfect for travel, outdoor activities, car, office, home, school, picnic, hot yoga, hiking, camping and more.
5- Built-in large-capacity battery, long battery life, no need to replace, can be automatically turned off when not in use, each display 3-4 seconds, very power saving, the battery can be used for about 3 years.
