Ember®
Ember Cup 6oz — Smart Temperature Control Espresso Cup
Description
Designed for the way specialty coffee is actually meant to be enjoyed. The Ember Cup 6oz is a smart, self-heating espresso cup that lets you set your exact preferred drinking temperature and holds it there from your first sip to your very last drop. Purpose-built for cappuccinos, cortados, flat whites, and every espresso-based drink that deserves to be savored.
Built for Specialty Coffee. Engineered for Precision.
Cappuccinos, cortados, flat whites — these drinks are crafted with intention. They deserve to be enjoyed at exactly the right temperature, not rushed before they cool or reheated and compromised. The Ember Cup 6oz is the only espresso cup that actively maintains your precise preferred drinking temperature, so every sip is as good as the first.
Set your ideal temperature anywhere from 120°F to 145°F using the Ember app, and the Cup does the rest — sensing, adjusting, and maintaining without any input from you. Whether you're at your home espresso bar or savoring a slow morning at your desk, the Ember Cup 6oz fits the ritual perfectly.
Why the Ember Cup 6oz Belongs in Your Coffee Setup
- Precise Temperature Control (120°F–145°F) — set your exact preferred drinking temperature down to the degree. No more too-hot or too-cold.
- Up to 1.5 Hours Battery — enjoy your coffee untethered on battery, or all day long on the included charging coaster.
- Purpose-Built for Espresso Drinks — perfectly proportioned for cappuccinos, cortados, macchiatos, and flat whites.
- Ember App Integration — set temperature presets for your go-to drinks, customize your LED indicator color, receive a notification when your drink hits your perfect temp, and use the built-in steep timer for tea.
- Auto Sleep Technology — intelligently senses when your cup is empty or inactive and powers down to preserve battery. Wakes automatically when liquid is poured.
- IPX7 Waterproof — rated for full submersion up to 1 meter. Safe and easy to hand wash.
- Scratch-Resistant Stainless Steel — premium build with a sleek handleless silhouette in Black or Copper.
- Charging Coaster Included — place it on the coaster for all-day warmth at your desk or kitchen counter.
- No App Required — preset to 135°F out of the box and ready to use immediately. The app unlocks full customization.
Perfect For Every Espresso Moment
- Home espresso bar — pair with your Breville, Rocket, Ascaso, or Sanremo machine for a full specialty coffee experience at the right temp.
- Cappuccino & cortado lovers — purpose-built for these drinks, holding temperature through every careful sip of steamed milk.
- WFH mornings — place on the charging coaster and your drink stays perfect all day while you work.
- Tea — use the built-in steep timer in the app to nail your brew every time.
Specs
- Capacity: 6 oz (178 ml)
- Battery Life: Up to 1.5 hours (or all day on charging coaster)
- Temperature Range: 120°F – 145°F (48.9°C – 62.5°C)
- Connectivity: Bluetooth (iOS & Android)
- Water Resistance: IPX7 — submersible up to 1 meter
- Material: Stainless steel, scratch-resistant coating
- Colors: Black, Copper
- Dishwasher Safe: No — hand wash only
- What's Included: Ember Cup 6oz, Charging Coaster, Power Adapter
About Ember
Ember was born from a simple frustration great coffee going cold too soon. Founded with a belief that every sip should be as perfect as the first, Ember set out to reimagine the everyday mug using precision technology and thoughtful design.
Today, Ember is the world's first temperature control mug brand, trusted by coffee and tea lovers who refuse to settle for lukewarm. Their patented heating system holds your drink at your exact preferred temperature — not just "hot," but your kind of hot — from the moment you pour to the very last drop.
Designed for the desk, the kitchen counter, and every slow morning in between.
Frequently Asked Questions
The 6oz size is specifically proportioned for espresso-based drinks including cappuccinos, cortados, macchiatos, and flat whites — any specialty drink served in a small-format vessel.
No. It's preset to 135°F out of the box and works immediately without the app. The Ember app (iOS & Android) unlocks custom temperature settings between 120°F–145°F, LED color customization, drink presets, notifications, and a steep timer.
Up to 1.5 hours unplugged at 135°F. On the included charging coaster, it runs all day.
No — hand wash only. It's IPX7 rated and fully submersible up to 1 meter, making hand washing easy.
Via the Ember app, anywhere between 120°F and 145°F. Without the app it defaults to 135°F and remembers your last-used setting.