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This is a Bluetooth-connected heated mug that holds coffee or tea at a temperature you pick between 120 and 145°F instead of letting it cool. A built-in heater and a charging coaster keep the drink warm, and an indicator light shows when your set point is reached. You can save presets for coffee, tea or cocoa through the app. It suits slow sippers at a desk who want the last sip as warm as the first, and it does more than an insulated tumbler, which only slows cooling. The trade-off is that it needs its coaster and a charged battery, so it is not a mug you carry around.
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This is a temperature control mug that heats your drink and keeps it at the warmth you choose. It has its own heating system and temperature sensors, so it does more than slow cooling the way an insulated cup does. The body is ceramic coated stainless steel.
The mug connects to a compatible phone over Bluetooth. You can set a temperature between 120 and 145 degrees Fahrenheit and save presets for favorite drinks such as coffee, tea or cocoa. An indicator light shows when the drink has reached the set temperature.
The 14 ounce version holds temperature for up to 80 minutes on battery power. On the included charging coaster, it can keep holding the temperature continuously. A smart sleep mode saves power when the mug is empty or hasn't moved for a while. It wakes when liquid is poured or the mug is picked up. The customizable LED shows heating, charging and ready status.