The world’s smartest bottle, crafted from premium recycled stainless steel Double-wall vacuum insulation Recycled 18/8 Stainless Steel keeps drinks cold for up to 24 hours PRO 2 sensor with SipSense™ technology tracks every sip Customizable hydration reminders with 360° customizable glow colors and patterns, with optional sound alertsBluetooth sync with HidrateSpark App to: Track water intake, set personalized hydration goals, and locate your tumbler with Apple’s Find My Network App Features: Hydration Tracking, Personalized Hydration Goals, Smart Notifications, Health App Integrations, Hydration History & Insights, Customize your Glow, Multi-Bottle Support, Find My Bottle (Apple Find My Integration), Compete With Friends, Custom Sound Alerts