If you head to Costco, the store just rolled out a Christmas mug tower equipped with a stand that holds four mugs in red and white shades. The cups feature a ho-ho-ho, snowflake, Christmas tree ...

Ember mugs stand out for their smartphone app, which you use to control the temperature. You can pick any temperature from 120 to 145 degrees (the default is 135 degrees). "The app and mug ...