Ember Charging Coaster 2 for Use with Ember Temperature Control Smart Mug -BLACK Like New

The item in this listing is an Open Box (packaging maybe slightly distressed). The unit powers on with factory settings restored and includes the original accessories. The unit may have some minor cosmetic marks. Product comes with a Minimum 90 days warranty• Ember Coffee Mug and Ember Travel Mug Charging: Our updated charging coaster charges both first and second generation Ember coffee mugs and travel mugs and keeps beverages at your preferred temperature all day long (between 120°F - 145°F)• Heat or Charge with Ease: Place your Ember temperature control mug on the coaster to keep your drink warm all day; The coaster will maintain your coffee cup's current charge; Once it's empty or powered off, the coaster will automatically start charging• Auto Off and On: When your heated coffee mug's battery is fully charged, charging shuts off automatically; Ember Mugs also have "maintenance charging", which means that if left on the coaster for several months, the battery is periodically topped