The Ember Smart Coffee Mug Cup Charger Charging Coaster Base in White is a ceramic charging coaster designed by Ember. It is suitable for hot beverages and features a sleek white color, making it a stylish addition to any kitchen or dining area. The coaster is compatible with the Ember and is the perfect companion for keeping your mug charged and ready for your favorite hot drinks. Made in China, this charging coaster is a convenient and efficient way to keep your coffee or tea warm while on the go.