This stainless steel bottle has double insulation and works with the Equa app that provides personalised plans for water intake. It can keep its content hot or cold, for 12 hours and more. The tracker is attached to the base and has built-in LED lights to remind the user to drink water. It is detachable and can be charged using a micro USB port. Even without the app, one can find out information about water intake. An LED light indicates that the user is on track and hydrated