Thermos 24 Ounce Hydration Bottle with Connected Smart Lid – Link

Amazon has this marked down to just $29.99.

This was selling for $49.01 and is now the lowest it has ever been on Amazon

• Measures the intake of liquids while providing real-time temperature readings.
• The Hydration Calculator calculates your suggested hydration goal based on your personal data.
• Chart and graph daily, weekly, and monthly hydration progress.
• Up to a 12 day battery life before needing to be re-charged.
• Requires iOS7+ and works with the following Apple Devices: iPhone (4S and later), iPad (3rd generation and later), iPad mini (all generations), iPod touch (5th generation and later)