The eufy RoboVac 11S Max is one of our favorite budget robot vacuums, and it’s now 44 percent off at Amazon, making it only $140. This affordable robot vacuum from a few years back can still trade blows against newer models even without Wi-Fi connectivity.
The 11S Max has three power modes — Standard, BoostIQ and Max, and the company claims a noise level of around 55 dB. Even so, its suction power is nothing to scoff at. And should it accidentally try to swallow a charging cable, the beeping
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