Ember Temperature-Control Travel Mug PRODUCT DETAILS The Ember Ceramic Mug allows you to set your precise drinking temperature; Ember will maintain that temperature for approximately one hour, so your hot beverage is perfect from the first sip to the last drop Includes: Travel Mug, 360° leak-proof lid, charging coaster, power adaptor and quick-start guide Battery life: approximately two hours or all day on charging coaster Temperature Range: 120°F–145°F | 50°C - 62.5°C Pairs with the Ember app; iOS and Android-compatible IPX7 rated (fully submersible underwater) Dimensions & weight: 2.75" bottom diameter x 3.1" top diameter x 8"H; 12 oz. Material & Care Stainless steel/plastic Hand wash