This latest intelligent water bottle equipped with LED touch screen. Simply tap on the screen to read the temperature inside. Dont worry about having your drink too cold or too hot ever again and best of all there is no charger so it is always ready to go. Lightweight vacuum flask perfect to carry around the office, beach, school, picnic, hiking, cycling, running, gym, etc. Fits perfectly into a car cup holder. Great gifts for families, friends, colleagues and others.