As one of its Prime Day deals, Amazon offers Prime members the second-generation Amazon Echo Dot in Black or White for $34.99 with free shipping. That's $5 less than our mention from a month ago and the lowest price we've seen. (It's the best deal now by $15.) It features Alexa voice control, 802.11n dual-band wireless, Bluetooth, and a 3.5mm audio output. Deal ends July 11.