Bestbuy offers Ember - Temperature Control Smart Mug 2 - 14 oz - Sage Green for $99.99 (orig. $149.99) with free shipping.

Product Description:
Designed for home or office, Ember Mug 2 does more than simply keep your coffee hot. The temperature control smart mug allows you to set your preferred drinking temperature (120°F – 145°F), so you can enjoy your hot drink—just the way you like it— from the first sip to the last drop. Ember Mug 2’s built-in battery maintains your chosen drinking temperature for up to 80 minutes, or all day with the included charging coaster.