Use Amazon Alexa built-in to get quick news, check the weather, set timers and alarms, control your smart home devices, etc. All through the sound of your voice. Based on your heart rate, time asleep and restlessness, sleep score helps you better understand sleep quality each night. Track your time in light, deep and rem sleep stages and get personal insights. Control your Spotify app and add deezer playlists-plus store and play 300+ songs on your wrist (subscription required).