Cobalt Hollow
Cobalt Hollow
BrewKeep

BrewKeep™heated coffee mug

$119.99

  • Stays at perfect temp with zero app needed
  • Pure flavor every cup zero chemical leaching
  • Auto-heats when placed auto-stops when lifted
  • Complete gift-ready set with everything included

Color: Wood

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Milk Frother

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  • Fill & Place: Pour your hot beverage into the BrewKeep mug and set it on the powered base — the blue LED confirms heating has begun instantly.
  • Sip at Your Pace: Your drink holds steady at 131°F for as long as the mug sits on the base, so every sip is as satisfying as the first.
  • Lift & Go: Pick up the mug and heating stops within half a second. The 10-hour auto-shutoff keeps things safe even if you step away and forget.
  • BrewKeep Heated Stainless Steel Mug
  • Spill-Proof Lid
  • Elegant Bamboo Heating Base
  • USB Charging Cable
  • User Manual

We offer free shipping on orders over $150. Once your order is dispatched, the estimated delivery time is 5 to 12 business days depending on your location — tracking is emailed as soon as it ships.

Changed your mind? You can return your product within 90 days of delivery for a refund — see our Returns page for the full policy.

Why BrewKeep Outlasts Every Mug You've Tried Before

Locked-In Warmth from First Sip to Last

BrewKeep holds your drink at 131°F — the sweet spot for flavor, confirmed in independent taste tests. Every last sip hits the same target.

Touch-Free Smart Heating

Set the mug down and heating starts instantly — no app, no Bluetooth. Lift it and power cuts in under a second, every time.

BrewKeep

Built Clean, Stays Clean

Food-grade 304 stainless steel means zero chemical leaching and zero rust. Your coffee or tea tastes exactly as brewed — nothing added, nothing lost.

Safe Power, Zero Worry

The 10-hour auto-shutoff cuts power if you forget the mug — no overheating risk. Works with any 5V-2A USB charger you already own.

Frequently Asked Questions

As long as the mug rests on its powered USB base, BrewKeep holds your drink at 131°F — no battery counting down, no rush to finish. The 10-hour auto-shutoff then cuts power safely, so slow sippers can take their time all morning.

The mug and base are hand-wash only to protect the heating element. In practice it takes under 30 seconds — smooth stainless steel releases residue without soaking. Keep both out of the dishwasher and microwave.

The food-grade stainless steel interior works with tea, hot chocolate, herbal infusions, and any hot drink — zero chemical transfer, zero flavor crossover. BrewKeep holds all of them at a steady 131°F with no interference.

No app required, ever. BrewKeep heats automatically through the base — no Bluetooth, no firmware updates, no account. Plug in, place the mug, and it holds 131°F. The opposite of the Ember experience.

Fixed at 131°F — the proven sweet spot between scalding (above 150°F) and flat-tasting (below 125°F). Independent taste tests consistently confirm this range delivers the best flavor for coffee, tea, and hot chocolate.

Yes — that's exactly who BrewKeep is built for. The USB base holds 131°F with no time limit while the mug is on it. Slow sippers who take 60-90 minutes report every sip arriving just as good as the first.

A mug warmer only heats from the bottom with no precise feedback — the base overheats while the top stays lukewarm. BrewKeep's sensor maintains a consistent 131°F throughout the liquid, adjusting in real time so every sip hits the same target.

No — stainless steel and the heating element make BrewKeep incompatible with microwaves. Pour your freshly brewed drink directly into the mug, place it on the base, and it holds 131°F from first sip to last — no microwave trip needed.

The set includes the BrewKeep heated stainless steel mug, a lid, a bamboo heating base, a USB charging cable, and a user manual. This warming mug needs no app or Bluetooth.

BrewKeep runs from a USB charging cable that connects to its bamboo heating base, and it works with a 5V-2A USB charger. This heated coffee mug also has an auto-shutoff that cuts power if it is left on the base.
BrewKeep

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Get BrewKeep at today's price with your free gift included — and a full 90 days to enjoy it.

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BrewKeep: A Heated Coffee Mug with a USB Bamboo Base

BrewKeep is a heated coffee mug made for slow sippers who like a drink kept warm at the desk. It holds a fixed 131°F while the mug sits on its powered base, with no app or Bluetooth involved.

The mug is food-grade 304 stainless steel and pairs with a bamboo heating base that connects by USB cable and works with a 5V-2A USB charger. It works as a coffee mug and warmer in one set: heating starts when the mug is set down and stops when it is lifted. A blue LED shows when this warming mug is heating.

  • Stainless steel mug with lid
  • Bamboo heating base
  • USB charging cable
  • User manual

An auto-shutoff cuts power if the mug is left on the base. Hand wash only, and keep the mug and base out of the dishwasher and microwave.

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