Ember Travel Mug Charging: Our updated charging coaster charges both first and second generation Ember 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 chargingAuto 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 offEasy To Use: Simply place your Ember mug on the charging coaster to use it; The coaster will charge an Ember mug's empty battery in approximately 2 hours; Once the LED turns green your mug is 100% chargedThe Ultimate Convenience: Let the experience of Ember last all day long with an extra Charging Coaster; Enjoy the convenience of having one coaster in your home and another in the office, so your Ember is always ready wherever you are Ember Travel Mug Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Travel Mug, Black Track Page Views WithAuctiva's Counter