![Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, Copper: Coffee Cups & Mugs Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, Copper: Coffee Cups & Mugs](https://m.media-amazon.com/images/I/61o37owhF-L._AC_UF894,1000_QL80_.jpg)
Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, Copper: Coffee Cups & Mugs
![Corrosion on charging rings? Is this normal? I wash and dry thoroughly after each use and return the mug to the charger, but I've noticed this happening and it's concerning me. I Corrosion on charging rings? Is this normal? I wash and dry thoroughly after each use and return the mug to the charger, but I've noticed this happening and it's concerning me. I](https://i.redd.it/rbiatyka5oh61.jpg)
Corrosion on charging rings? Is this normal? I wash and dry thoroughly after each use and return the mug to the charger, but I've noticed this happening and it's concerning me. I
![Amazon.com: Ember Temperature Control Smart Mug, 14 oz, 1-hr Battery Life, Black - App Controlled Heated Coffee Mug : Home & Kitchen Amazon.com: Ember Temperature Control Smart Mug, 14 oz, 1-hr Battery Life, Black - App Controlled Heated Coffee Mug : Home & Kitchen](https://m.media-amazon.com/images/I/71obku-TOiL.jpg)
Amazon.com: Ember Temperature Control Smart Mug, 14 oz, 1-hr Battery Life, Black - App Controlled Heated Coffee Mug : Home & Kitchen
![Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, White: Coffee Cups & Mugs Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, White: Coffee Cups & Mugs](https://m.media-amazon.com/images/I/51vhkiAF8jL._AC_UF894,1000_QL80_.jpg)
Amazon.com | Ember Charging Coaster 2, Wireless Charging for Use with Ember Temperature Control Smart Mug, White: Coffee Cups & Mugs
![Charge Your Morning Cup Of Coffee With The Ember Mug: Enjoy Convenient And Flavorful Coffee Anytime! – TheCommonsCafe Charge Your Morning Cup Of Coffee With The Ember Mug: Enjoy Convenient And Flavorful Coffee Anytime! – TheCommonsCafe](https://i.ytimg.com/vi/Z0a-34KL5SA/maxresdefault.jpg)