Ember Charging Coaster 2 Stainless Steel for Temperature Control Smart Mug

New-Open Box Ember Charging Coaster 2 Stainless Steel for Temperature Control Smart Mug 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) Place your Ember temperature control mug on the coaster to keep your drink warm all day. When your heated coffee mug's battery is fully charged, charging shuts off automatically Easy 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% charged