Features & details •Works with Alexa for voice control (Alexa device sold separately) ; Audio Formats :AAC, Apple Lossless, MP3, WMA •The most powerful wireless speaker from Bose; Wave guide technology provides enough power to fill the largest rooms in your home with deep, rich sound •Works with your Wi Fi and Bluetooth devices to play music services like Amazon Music, Spotify Internet radio stations and your stored music library •Remote:4.5 H x 1.75 W x 0.5 D inches; Features six presets for your favorite playlists, stations and podcasts, and an OLED display for time, song, station information and more •Part of an entire family of multi room wireless speakers designed to grow with you; Wireless network compatibility: 802.11 b/g/n •Ask 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 •Dimensions : System:9.7 inch H x 17.1 inch W x 7.1 inch D (25.75 lbs)