Drinking coffee at the exact temperature you enjoy is like trying to hit a moving target; first it’s scalding, then it ends up lukewarm or cold within minutes. Ember is a pretty brilliant smart connected mug that first cools down your beverage quickly to your preferred temperature, then keeps it there all day. You set the temp by twisting the base, or by connecting the mug to your smartphone. If you do that, you’ll have the added benefit of being notified when your drink has cooled down to its optimal temp. The internal battery will then warm your liquids for up to two hours, or all day if you set Ember down on the wireless charging coaster that it comes bundled with. It’ll pair with an Apple Watch as well, or any iOS or Android device with Bluetooth 4.0 or later. It’s a $129 pledge, down from its expected $149 retail cost.