HidrateSpark STEEL, the world’s smartest water bottle ever created. Stainless steel vacuum insulated keeps drinks cold up to 24 hours. LED smart sensor “puck” glows to remind you when it’s time to drink and tracks your water intake by syncing via bluetooth to the Hidrate app. Make it your own with custom glow colors in the app. Experience life fully hydrated thanks to our Hydration Equation that calculates your daily water goal using personal factors unique to you, like age, height, weight, sex, elevation, exercise and more. The FREE HidrateSpark App syncs with your smart water bottle to track how much you drink, send glowing reminders and text notifications keeping your hydration on track each day. Plus, the app keeps track of where your bottle was last synced, so you don’t have to worry about it going missing. Join our community of more than 550,000 HidrateSpark customers who experience optimal health thanks to proper hydration. How much should you drink? Our Hydration Equation calculates your daily goal based on personal factors unique to you, like age, height, weight, sex, altitude and more. The app is calculated daily to give you the most accurate hydration level whether your traveling, hiking in the mountains or swimming at the pool. It’s estimated that up to 75% of Americans are chronically dehydrated contributing to problems with high blood pressure, heart disease, kidney function among other complications like cognition, productivity, sleep and energy levels. Proper hydration is key to optimal health and our hydration system is the easiest, most convenient way to realize health benefits. Features and Benefits Customize your glow to match you style - The bottle glows throughout the day to remind you to drink. Customize your glow type, color, and frequency within the HidrateSpark App. Blink, Drink, Sync - HidrateSpark STEEL blinks when it’s time to drink and syncs to keep your daily goal updated as you go. Optional text notifications offer additional reminders. Connect with friends through the HidrateSpark App and motivate and compete with one another. Forget thirst, not your bottle - Find My Bottle feature within the HidrateSpark App allows you to see a pin on the map where your bottle was last connected. Left your bottle in the car or at the office? With this feature, you’ll be able to locate the last place your bottle was synced. Specifications Glows remind you to drink throughout the day and can be customized by pattern and color Sensor puck tracks water intake, syncs via Bluetooth to the Free HidrateSpark App, and is interchangeable between bottles HidrateSpark App is available on iOS and Android Rechargeable Battery with included fast charging cable Stainless Steel vacuum insulated keeps drinks cold for up to 24 hours, prevents sweating and allows for a pure water taste BPA Free Protective spout cover and lock to keep out dirt & germs and prevent spills Clinically proven accuracy within 3% of manual readings through Mayo Clinic trials Carry loop makes it easy to carry on-the-go Straw or chug lids are interchangeable between bottles, (*straw lengths vary between sizes, Chug lid not included) Lids are dishwasher safe. All bottle bodies are HAND WASH ONLY. Sensor Puck must be removed FIRST prior to cleaning your STEEL and wiped only with a damp cloth. DO NOT submerge Sensor Puck in water or place in dishwasher. DO NOT use this product with hot liquids. Hot contents can create internal pressure resulting in discharge of hot liquids that can cause injury Dimensions: 2.76" x 10.63" Capacity: 21 oz / 620 ml Colour: Black