Stay hydrated with the 21 oz HidrateSpark PRO 2 – Smart Ready Bottle, crafted from premium recycled stainless steel for durability and sustainability. Double-wall vacuum insulation keeps your drink cold for up to 24 hours, while a silicone boot with a dedicated compartment for an Apple AirTag helps ensure you’ll never lose track of your bottle. Simply use the Find My app to locate it anywhere, anytime. Designed for convenience and versatility, this bottle features a large carry handle and a narrow base to fit most cup holders, making it the perfect companion for your daily adventures. Pair it with your choice of a chug or straw lid for a personalized drinking experience. Want to take it to the next level? It is fully compatible with the PRO 2 Sensor (Small). Swap the silicone boot with the PRO 2 Sensor to transform your bottle into a smart hydration tracker. Track your water intake, enjoy customizable glow reminders, and sync seamlessly with the HidrateSpark app to set hydration goals and monitor your progress. Plus, with built-in Apple Find My support in the PRO 2 Sensor, you’ll never lose your smart bottle. Apple AirTag and HidrateSpark PRO 2 Sensor sold separately.