Allowing us to take control when it comes to hot beverages, the Mug² from Ember does more than just simply keep your coffee hot. Designed to keep liquid at an exact drinking temperature (of your choice), it maintains the chosen level for up to 80 minutes. Ready for both at-home and office working, the smart mug connects through the app on your smartphone and keeps things perfect from your first sip to the last.| Ember Mug² smart mugStainless steel and ceramic coatingIncludes: Ember mug, coaster, charger and manualsHeight 11.68cm, width 11.5cm, depth 8.79cmHandwash only; not dishwasher or microwave safeOne year guarantee414ml