Amazon (Amazon Japan) is having a time sale on SwitchBot circulators. Normally priced at 13,980 yen, it is 27% off at 10,180 yen at the time of writing.
This smart circulator has a built-in battery and can be used in two ways: cordless or connected to an AC adapter. 22dB DC motor makes it quiet, and it can swivel up and down and to the left and right at 90° each.
It supports voice control by Amazon Alexa with a compatible hub, as well as Google Assistant and Siri shortcuts.
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