Achieve your hydration goals and support a healthy lifestyle with the Thermos® Connected Hydration Bottle with Smart Lid. It measures the intake and temperature of your beverage (not for hot liquids) while tracking and monitoring your daily, weekly, and monthly progress. Hydration Calculator: Calculate your suggested hydration goal based on your personal data. Measure Intake & Temperature: Measures the intake of liquids while providing real-time temperature reading. Track & Monitor: Chart and graph daily, weekly, and monthly hydration progress. Works with Fitbit®: Water intake will automatically be synced from your Thermos® Smart Lid app to your Fitbit® account each time. Bluetooth® Smart Wireless Technology: Maintain your daily activities with a line of sight range up to 75 feet. Battery: Up to 12 day battery life. Works with: iPhone® device (4S and later), iPad® device (3rd generation and later), iPad mini™ device (all generations), iPod touch™ (5th generation and later), requires iOS 7+. Flip-up lid with one hand push button operation. Hard spout. Integrated flip-up carrying loop. Micro USB socket for charging. Sensor tube reads the volume and temperature of the liquid. 24 oz. iPhone, iPad, iPad mini, and iPod touch are trademarks of Apple Inc. App Store is a service mark of Apple Inc. Fitbit and the Fitbit logo are trademarks and/or registered trademarks of Fitbit, Inc. in the United States and in other countries. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Thermos L. L. C. is under license. Other trademarks and trade names are those of their respective owners. Fabric/Material: Eastman Tritan ™ copolyester. Colors shown are computer simulations of material colors.