Elevate your home or office coffee experience with the custom Ember Temperature Control Smart Mug, designed to keep your beverage at your personalized perfect temperature. Select and maintain your ideal temperature between 120°F - 145°F (50°C - 62.5°C) via the mug or Ember app, with a smart LED to signal when it's just right. The Auto-Sleep function smartly conserves energy, and when used with the charging coaster, it can keep your drink perfect all day. This customizable mug is hand wash safe, submersible up to 1 meter, and compatible with iOS 12.0+ and Android 8+ devices. Charge it on the coaster for about 2 hours for a full battery. Personalize or brand your Ember Mug² for a unique touch to every sip.