Ulla - the world's first hydration reminder bottle attachment! A discrete tool that fits effortlessly on your water bottle or cup.
Ulla fits on bottles of all sizes, shapes and materials
ChargingNoAuto ON/OFFYesDaylight sensorYesProximity sensorYesBattery life6 monthsBattery typeCR2032 coin cellMaterialBPA-Free PolyPropyleneSize4 x 2.5 x 1 cmWeight28 gWorking temp.0°C to +70°C
Ulla Hydration Drink Reminder Tool
Works well for me
Have not received my order
Love this, helping me increase my water intake already