Popsugar Tech Gadgets Best Labour Day Tech and Electronics Sales 2021 Smart Home Devices and More! Shop 34 Labour Day Tech Deals You Don't Want to Miss 1 September 2021 by Anvita Reddy View On One Page Photo 28 of 34 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 28 Mighty Rock 3 in 1 Robotic Vacuum Cleaner Mighty Rock 3 in 1 Robotic Vacuum Cleaner ($65, originally $90) Mighty Rock 3 in 1 Robotic Vacuum Cleaner $65 from walmart.com Buy Now Previous Next Start Slideshow ShoppingGadgetsTech ShoppingLabor Day