Ember Temperature Control Smart Mug 2, 10 oz, Copper, 1.5-hr Battery Life - App Controlled Heated Coffee Mug - Improved Design

Designed for home or office . the Ember Mug 2 and its companion smartphone app allow you to set your precise drinking temperature for hot beverages . track caffeine consumption . save presets for your favorite drinks . customize the LED color . and more. Ember maintains your chosen temperature for approximately 1.5 hours . so your warm beverage stays perfect from the first sip to the last drop.