Best Buy offers the TP-Link Smart WiFi Plug Mini bundled with the second-generation Amazon Echo Dot for $39.99 with free shipping. (Add both to cart to see this price.) That's $25 uder the lowest price we could find to purchase these items separately elsewhere. The plug works with smartphones or tablets to remotely turn the outlet on and off. The Dot features Alexa voice control, 802.11n dual-band wireless, Bluetooth, and a 3.5mm audio output.