Ember Mug 2 smart temperature control coffee mug in a sleek metallic copper finish. This 10oz smart mug allows you to set your precise drinking temperature via the Ember app, keeping your beverage hot for up to 1.5 hours on a single charge or all day when used with the included charging coaster. Crafted from durable stainless steel with a scratch-resistant coating, it features an intelligent auto-sleep function and a customizable LED light. Perfect for home or office use, this high-tech mug ensures every sip is at the perfect temperature. Includes the mug, charging coaster, and power adapter.