Yes, you can use the Ember Mug or Ember Mug² without a mobile device. Using it independently will limit you from the following features within Ember mobile app:
- Customizing your LED color identifier
- Assigning presets to different drinks
- Changing the temperature between 120°F to 145°F (if the app is not in use, the default temperature is 135°F)
- Updating your Ember Mug
- View battery life
- Changing brightness of the LED light
- Tea Timer