Ember Mug 2Designed for both home and office use, the Ember Mug 2 goes beyond simply maintaining the temperature of your coffee. This smart mug allows you to set an exact drinking temperature, ensuring that your coffee is never too hot or too cold. It can maintain your chosen temperature for up to 1. 5 hours (10 oz) or up to 80 minutes (14 oz), providing the perfect drinking experience. Additionally, the Ember Mug 2 is safe to hand wash and can even be submerged