Ember Temperature Control Smart Tumbler 2, 16 oz, Slate Black, Up To 3-hr Battery Life - App Controlled Heated Coffee/Tea Mug - Improved Design

Capacity: 16 fl oz Patented temperature control technology with advanced precision sensors Built-in battery to maintain your drinking temperature Battery life: 3 hours, or all day on included charging coaster All-new compact Ember Charging Coaster included Includes two lids to choose from: the leak-proof Handle Lid and a redesigned spill-proof Sliding Lid Feel the warmth through durable stainless steel with a premium textured finish Set temperature down to the degree with your smartphone on the Ember App. iOS and Android compatible Temperature range: 120°F – 145°F Ember Mug is safe to hand wash and submersible up to 1 meter in water and rated IPX7 Fits most car cup holders with at least 3.5” diameter. Do not microwave