Stay hydrated with the Ulla Smart Hydration Reminder. Features a vibrant pink design. 💧 SMART LIGHT FOR WATER BOTTLE: Ulla is the world's first smart hydration reminder water bottle attachment! It can be seamlessly moved from bottle to bottle and uses smart detection sensors to remind you to drink water at least once per hour. 💧 EASY TO USE: Ulla makes drinking water easy. No need to buy a new water bottle - just attach Ulla to turn your existing one into a smart water bottle and get the optimal hydration your body needs. With included silicon band you can mounted it on water bottles of all sizes and materials. It can also be attached to any standard glass or mug. NEW IN BOX! Never been used or tried. The box has some markings on it but this doesnt affect the contents whatsoever!