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Designed to be used wherever life takes you, the Ember Tumbler does more than simply keep your coffee hot. Our largest mug yet, the 16 oz Tumbler allows you to set an exact drinking temperature and keeps it there for up to 3 hours, so your coffee is never too hot, or too cold. It features our most advanced chip ever for improved Bluetooth reliability and a simplified pairing process. All Tumblers come with two lids, letting you choose between the leakproof Handle Lid or spillproof Sliding Lid. Made with a durable stainless steel construction, Ember Tumbler is easy to clean and is safe to submerge up to 1 meter in water. Both lids are dishwasher safe.
Q: Can I put the Ember Tumbler in the microwave?
A: No, for safety reasons, the Ember Tumbler should never be placed in a microwave oven.
Q: What is the capacity of this Ember Tumbler?
A: The Ember Tumbler has a capacity of 16 fluid ounces (473ml).
Q: Is the Ember Tumbler easy to clean?
A: Yes, the Ember Tumbler is IPX7 rated, meaning it's safe to fully submerge in water up to 1 meter deep for easy cleaning.
Q: What is the temperature range for the Ember Tumbler?
A: You can set the temperature of your drink between 120°F and 145°F (48.9°C to 62.8°C).
Q: How long does the battery last on a single charge?
A: The Ember Tumbler maintains your desired temperature for up to three hours on a single charge.
Q: Will this heat up cold coffee or does this only keep hot coffee hot?
A: The Ember Mug is designed to maintain already hot liquid. For best use, we recommend pouring in liquids that are hotter than your set temperature! If cool or cold liquid is poured into the mug, it may detect as empty and not heat.
Q: Will you need the app to adjust temp?
A: Yes. The cups won't heat without the app
A: The Car Charger does not fit the 16oz Tumbler.
Customers admire the Ember 16 oz Tumbler's excellent temperature control, keeping beverages at the perfect temperature for hours. Many appreciate the convenient size and durable build quality, along with the included lid. However, some find the price point to be expensive and the charging method inconvenient.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Designed to be used wherever life takes you, the Ember Tumbler does more than simply keep your coffee hot. Our largest mug yet, the 16 oz Tumbler allows you to set an exact drinking temperature and keeps it there for up to 3 hours, so your coffee is never too hot, or too cold. It features our most advanced chip ever for improved Bluetooth reliability and a simplified pairing process. All Tumblers come with two lids, letting you choose between the leakproof Handle Lid or spillproof Sliding Lid. Made with a durable stainless steel construction, Ember Tumbler is easy to clean and is safe to submerge up to 1 meter in water. Both lids are dishwasher safe.

When you need your coffee hot or your water cold, look no further than the Thermos 18 oz. Vacuum Insulated Stainless Steel Mug. It is equipped with a slide lock lid so you can enjoy warm or cold beverages throughout your day. The slide lock lid is leak-resistant when closed and straw compatible when open to enjoy cold beverages (straw not included). From the Thermos vacuum insulation technology, to the Griptec molded handle and non-slip base, this mug is truly iconic. It also features a Lumiview Lid that provides a clear view of the contents. No detail has been left behind! Features: Vacuum insulation keeps drinks hot for up to 5 hours or cold for up to 20 hours. Durable 18/8 stainless steel. Lumiview Lid provides a clear view of contents. Griptec molded handle and non-slip, quiet, soft-touch base. Fits most car cup holders. Top-rack dishwasher safe.

High Quality Stainless Steel Container Accommodates both Hot or Cold Food Storage Stainless Steel Container stays Cool to the Touch Wide Mouth accommodates Chunky Foods Easy to Clean with Dishwasher Safe Parts Great for Work, School, Office, Travel & Camping

Store and serve on-the-go food with this Brentwood insulated food container. This wide-mouth container with a 1.2-liter capacity is vacuum insulated with glass and foam to keep soups or other dishes warm or cold for hours. Use the versatile top cover of this Brentwood insulated food container as a convenient serving bowl.
| Pros for Ember - Tumbler, 16 oz - Black | |||
|---|---|---|---|
| Temperature Control, Battery Life, Lid, Size, Build Quality | There were no pros for this product— | There were no pros for this product— | There were no pros for this product— |
| Cons for Ember - Tumbler, 16 oz - Black | |||
| Charging, Insulation, Price | There were no cons for this product— | There were no cons for this product— | There were no cons for this product— |