LED TEMPERATURE DISPLAY: Smart water bottle has LED smart touch temperature display, by touching the LED screen on top of the thermos, it is easy to understand the internal temperature of the liquid. There is no need to check the temperature through the mouth to avoid burns. PREMIUM MATERIAL: The inner wall and outer case is made of 304-grade food grade stainless steel with silicone anti slip bottom to prevent them from sliding and spilling. Other parts of these travel mugs are made of BPA-free PP materials, which is safe and healthy to use KEEP HOT OR COLD COFFEE/TEA: The coffee travel mug is leak proof 500 ml high performance vacuum bottle is made of double wall stainless steel insulation, which can keep heat for 24 hours. Smart water bottle hold liquid heat above 42℃ for up to 6 hours and liquid cooling below 10℃ for up to 5 hours MULTIPURPOSE LEAK-PROOF SMART BOTTLE: The bottle has PP leak-proof silicone ring inside the lid and tea infuser for convenient travel, suitable for daily use, travel, indoor and for outdoor sports, work, beaches, hiking, camping, cycling, and running. EASY TO CLEAN COFFEE MUG: Travel Bottle Mug can be cleaned by removing the faucet, the cup mouth is smooth, will not cut lips, the cup body has a large diameter, and the detachable filter screen can filter residues such as tea leaves. DETACHABLE STRAINER: The smart water cup contains a detachable tea strainer, perfect for brewing hot and cold tea, coffee, hot water and juice carafe. NO CHARGING NECESSARY: The built-in battery does not need to be charged. The lid is waterproof (The lid can be rinsed but not soaked in water.)