Ember 14oz Temperature Control Smart Mug

This mug offers up to 1 hour of battery life and includes a charging coaster for continuous use. It is made of stainless steel with a ceramic coating, it is IPX7-rated and submersible up to 1 meter. Price drops from $89.99 to just $49.99. Shipping is free with Amazon Prime or is otherwise a flat $6 per order. 

This is a refurbished item.