This product from Not Available does not need any charge.
LED Temperature display will last up to 80,000 touches without a battery change.
It accurately reads temperatures and sensitive to a light touch.
Bottle with filter inside Anti-Slip Pad to place the bottle anywhere and it likely won't fall with our silicone bottom design.
Premium Quality That Lasts: 304 Stainless Steel, food grade quality that washes extremely easy. Cold drinks last 24 hours and hot drinks last 12 hours! Includes Tea Filter: Comes with stainless steel tea filter to separate the tea bag and water. Makes tea taste that much better!
 
Features:
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 to get burn.
ULTRA CAPACITY BATTERY: Lithium battery with large capacity, the screen turns off automatically when not in use can reach a battery life . Don’t need to worry about battery rechange issues daily. With HD LCD touch screen for prompt real-time water temperature display. Let you drink the water that is most suitable for temperature anytime, anywhere.
SAFE & HEALTHY MATERIAL: The inner wall is made of 304-grade food-grade 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.
WIDE APPLICATIONS: With the state-of-the-art double-wall vacuum technology, this mug is stylish and durable. Whether you are traveling, at home, in the office, or outdoor – the ideal companion. Simple and practical, it is the best Christmas gift for friends, family.
STAINLESS STEEL: The 18oz 500 ML bottle is made of 304 stainless steel with food grade PP. Resistant, corrosion resistant, safe and healthy. It reaches the FDA consumption standard with 100% BPA free.