316 Stainless Steel: The use of 316 stainless steel for the inner container ensures high durability and resistance to corrosion, making it suitable for long-term use with various types of beverages. 12-24 Hours Insulation: With a thermal insulation performance of 12-24 hours, this thermos keeps drinks at the desired temperature for extended periods, ensuring consistent quality and satisfaction. LED Temperature Display: The LED temperature display provides real-time water temperature readings, allowing users to monitor and ensure their beverage is at the ideal drinking temperature. App Control: App control functionality enables users to connect the thermos to their mobile device, providing convenient features such as water quality detection and drink reminders, enhancing the overall user experience. material 304 Stainless Steel thermal insulation performance 12-24 hours drinkware type Vacuum Flasks & Thermoses smart type Digital, Electronic, Sensor, Temperature Display, Bluetooth power supply Batteries and USB Water Flowing Method Direct Drinking