Smart water bottles are innovative hydration tools designed to help users track their water intake. They often come equipped with features like built-in sensors, LED lights, and smartphone connectivity. These bottles can remind users to drink water at regular intervals, ensuring they stay hydrated throughout the day. Many smart water bottles also sync with fitness apps, allowing users to monitor their hydration levels alongside other health metrics. Some models even have temperature control to keep drinks cold or hot. Overall, smart water bottles aim to promote better hydration habits and enhance overall wellness.