414ml (14oz) mug holds a generous serving of coffee or tea to help get your morning started Smart temperature control lets you choose your preferred setting from 120-145 degrees Fahrenheit Compatible with the Ember app for precision control of the mug Integrated battery provides up to 80 minutes of warming on a single charge; place the mug on the included charging coaster for all-day use Submersible up to 1 metre so it’s safe to hand-wash the mug