Meet HidrateSpark PRO. the world's smartest water bottle ever created. With a new stainless steel insulated construction. customizable glow colours and patterns. rechargeable battery and chug drinking lid. the HidrateSpark PRO makes drinking more water as easy as blink. drink. sync. The LED smart sensor puck? glows to remind you when its time to drink and tracks your water intake by syncing via Bluetooth to the FREE HidrateSpark App. keeping your daily goal updated as you go. Key Features BPA-free. vacuum-insulated stainless-steel bottle. keeps drinks cold up to 24 hours and prevents sweating LED smart sensor puck glows to remind you when its time to drink and tracks your water intake by syncing via Bluetooth to the FREE HidrateSpark app. App is available for iOS and Android devices Design includes a rechargeable battery and comes with a fast-charging cable so you never miss a beat! Lid includes a protective spout cover to keep out dirt and germs. Lid includes a button lock to avoid accidental spills A carry loop makes it easy to take on-the-go Please note Lids are top-rack dishwasher safe. Bottle bodies are hand-wash only. DO NOT submerge. wash or get the sensor wet. DO NOT use product with hot liquids.