OutletMP3 via eBay offers the open-box Logitech Wireless Bluetooth Speaker Adapter for $19.99 with free shipping. That's $7 under the lowest price we could find for a factory-sealed unit today, although we saw it sealed for $2 less in February. It features push button pairing, multi-point connectivity, and a 3.5mm jack.
Amazon offers the Logitech Pop Home Switch Starter Pack in White for $59.99 with free shipping. That's the lowest price we could find by $40. It includes two switches and one plug-in bridge, and allows you to control select smart lights, music systems, and Harmony remotes via the Pop app for iOS or Android.
Walmart offers the Logitech Harmony 650 Universal Remote Control for $43.99 with free shipping. (Amazon charges the same price for Prime members only.) That's the lowest price we could find by $5, although we saw it for $4 less in December. Features include a color screen, PC and Mac compatibility, control of up to eight devices, and 1-click activity buttons.