INFRA Signal 390
The Ember Smart Mug 2 will keep your coffee warm for hours - and it's on sale
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WHY IT MATTERS
This is a consumer product deal with negligible relevance to infrastructure engineering. The only technically notable detail is that a device integrating a battery, heating element, and LED indicator achieves an IPX7 water-resistance rating, but the article provides no engineering insight beyond that.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
01
The 10 oz model is listed at $90 (a $40 discount) and the 14 oz model is $50 off at Best Buy.
02
Users can set a target temperature between 120F and 145F, and the mug maintains it for up to 90 minutes on battery.
03
The mug carries an IPX7 water-resistance rating and is hand-wash safe despite housing internal electronics.
THE CLUSTER