500ml Water Bottle Temperature Display Stainless Steel Flask

Travel & To-Go Drinking portable, durable travel Mugs, thermos Insulated Water Bottle, 500ml LED Temperature Display Smart Water Cup, Stainless Steel Vacuum Drink Flasks, Hot & Cold liquid content, Sport Drink Bottle for Cycling, Gym, Home, Office 【WATERPROOF LED DISPLAY】 : Waterproof LED display that can be completely submerged in water. Just touch the LED screen and the temperature of the liquid will show on the LED screen. You do not have to test the temperature with your mouth or risk getting burn. 【DURABLE KEEP HEAT COLD】: The Water Bottle thermos vacuum of cups and cups can block heat transfer. Our products CAN hold liquid heat above 42 °C for up to 6 hours and liquid cooling below 10 ° C for up to 5 hours. ( This is subject to weather temperature and how often the cup is opened and if it is tightly closed) 【SAFE & HEALTHY MATERIAL】 : The inner wall of Water Bottle is made of 304 grade food grade thermos stainless steel and the outer case is made of high quality 204 stainless steel. It has been approved by the FDA for your drinking needs. Of course, 100% does not contain BPA. 【ULTRA CAPACITY BATTERY】 : Lithium battery with large capacity, screen turn off automatically when not in use can reach a battery life of UP TO 2 years. Cup lid with built-in battery (non-removable). After the battery is used up, you can purchase a new cup lid to replace it.