Drinking enough water each day, and knowing how much to drink is hard. Skross® PRO 21oz. Smart Water Bottle makes it easy one sip at a time. With our smart lid, you can set hydration reminders at regular intervals of your choice - 1 hrs / 1.5 hrs / 2 hrs using the LCD touchscreen in the lid. It also tells you the temperature of the beverage inside. The lid works for 30 days on a single charge, and comes with a magnetic charger for recharging once a month. The smart water bottle is vacuum-insulated stainless steel keeps drinks hot for up to 12 hours and cold for up to 24 hours. Capacity: 600ml.