Take control of your life with echo dot (4th gen) smart speaker with clock and alexa, amazon's popular smart speaker. with a new, sleek, compact design that fits neatly into small spaces, the echo dot lets you voice control everything from your music and podcasts to compatible smart home devices. the built-in led display lets you see the time, alarms, timers and outdoor temperature. and, it's designed to protect your privacy, so your information will stay safe.