Up to 150 minutes at 55°C under stated conditions.
Smart temperature control
GT-1 10oz Smart Temperature Control Mug
A compact heated coffee mug with precise temperature control, app features and a replaceable magnetic powered base.
Price range: £42.53 through £52.66
- 30-65°C / 86-149°F temperature range
- Up to 150 minutes at 55°C under stated conditions
- Replaceable magnetic powered base
- 316 stainless-steel inner vessel
Free standard shipping
30-day return request window
One-year limited warranty
Open the GT-1 user manual →
Download and pair the GREATIC App →
Why it’s worth it
More control for every 10oz coffee break.
Choose the drinking temperature that suits your coffee, tea or water.
Use the mug by itself or add saved drinks, status and reminders in the app.
Swap the powered base without replacing the stainless-steel mug body.
Your GT-1, up close
10oz · White
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Precision temperature control
Set 30-65°C from the mug or companion app.
Made for long routines
Keep coffee comfortably warm while you work, read or create.
A base you can replace
The black magnetic powered base and battery compartment are shared across GT-1 10oz, 14oz and 16oz mugs.
Temperature on your terms
Set the drink, not your schedule.
Choose a preferred drinking temperature between 30°C and 65°C. At 55°C, GREATIC specifies up to 150 minutes of battery-powered warmth for the 10oz model under stated conditions.
Actual runtime varies with starting liquid temperature, ambient temperature and selected temperature.
30°C55°C65°C
GREATIC App control
Temperature, saved drinks and ready reminders in one place.
View the current cup temperature, choose a target, save named drinks, check battery status and receive a notification when your drink reaches the selected temperature.
Get the app and pairing guide
The GREATIC difference
Keep the mug. Replace the power system.
The black powered base contains the battery and control electronics and is shared across GT-1 10oz, 14oz and 16oz mugs. Keep a charged second base ready for rotation, or replace a confirmed base-side fault without discarding the mug body.
Shop the magnetic powered base →
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Separated
The mug body and real black removable powered compartment are shown apart.
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Powered compartment underside
The underside shows the real contacts, fasteners and removable component edge.
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Attached
The real black powered compartment is shown magnetically connected to the mug body.
Real product demonstration
See the mug, controls and powered base.
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GT-1 in use
GT-1 overview
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Product specifications
GT-1 10oz product details
View complete specifications and controls
- Inner vessel
- 316 stainless steel
- Typical charging time
- 2–3 hours
- Power on and off
- Hold 3 seconds to power on; press 1 second to shut down
- Temperature units
- Hold + for 3 seconds to switch °F and °C
- Battery display
- Hold − for 3 seconds to view battery level
Explore the GT-1 collection
Choose one capacity. Then make it yours.
Care matters
Wipe clean only. Keep contacts dry.
Do not rinse, soak, place the mug in a dishwasher or microwave it. Empty the mug and dry every magnetic and charging contact surface before reconnecting the powered base.
Read care and support answers →Before you order
Questions buyers ask about the GT-1 10oz
Is a temperature-control mug worth it for slow coffee drinkers?
GT-1 is designed for people whose coffee cools while they work, read or move through a long morning. Select 30-65°C / 86-149°F and maintain the chosen temperature instead of reheating repeatedly.
How long does the GREATIC heated coffee mug keep coffee at 55°C?
GREATIC specifies up to 150 minutes for the 10oz model under stated conditions. Runtime varies with starting temperature, room temperature, drink volume, set point and battery state.
Do I need the GREATIC app to use the GT-1 mug?
No. The mug controls can set the drinking temperature. The optional app adds live temperature, saved drink presets, battery status and ready notifications. See app features →
Can I wash the GREATIC smart mug in a dishwasher?
No. Wipe clean only. Do not rinse, soak, dishwash or microwave the mug. Read care and safety answers →