Works with Alexa for voice control (Alexa device sold separately), Power Cord - 8 feetEnjoy all your music easily: online music services, Internet radio, your stored music library, CDs and AM/FM radioExclusive Bose waveguide speaker technology delivers lifelike, room-filling soundWireless connection via your home Wi-Fi network; also works with Bluetooth. Supported audio formats: MP3, WMA, AAC, FLAC, Apple LosslessOne-touch access to music services (Amazon Music, Spotify, Pandora), Internet radio and music library playlists with six personalized presets on the remote or SoundTouch appAsk away. With the new Bose Skill for Alexa you can now enjoy hands-free voice control of your SoundTouch speakers using any Alexa-enabled device - like the Echo Dot