What is Echo Amazon Echo is a hands-free speaker you control with your voice. Echo connects to the Alexa Voice Service to play music, ask questions, make calls, send and receive messages, provide information, news, sports scores, weather, and more-instantly. All you have to do is ask.Echo is also an expertly tuned speaker that can fill any room with immersive sound. It has seven microphones and beamforming technology so it can hear you from across the room-even while music is playing. When you want to use Echo, just say the wake word "Alexa" and Echo responds instantly.

Fundamentally redesigned and reengineered. The largest Apple Watch display yet. Built-in electrical heart sensor. New Digital Crown with haptic feedback. Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges and achievement awards. Built-in cellular~ lets you use Walkie-Talkie, make phone calls, and send messages. Stream Apple Music~ and Apple Podcasts. And use Siri in all-new ways - even while you're away from your phone. With Apple Watch Series 4, you can do it all with just your watch.