Bring your favourite beverage on your journey with Ember 473ml Smart Temperature Travel Mug 2+. Keep the temperature right where you want it with the temp-control setting. The built-in battery maintains your temperature for up to 3 hours or all day with the included charging coaster. Never lose your mug again with the Ember app mug locater. | Ember Tumbler 473ml (16 oz.) Smart Temperature Mug - Black