Libratone&nbsp;ZIPP Portable WiFi + Bluetooth Wireless Speaker - Compatible with Alexa (Cloudy Grey) AMAZING SOUND: Our biggest and best sounding speaker featuring Libratones award winning signature sound that delivers deep bass, full midrange, crisp highs, 100-watts of power, and 360 FullRoom acoustics. WIFI & BLUETOOTH CONNECTIVITY: Use WiFi for longest range and high fidelity music quality, or Bluetooth to stream from any device. Also supports Airplay (iOS), AirPlay 2 (coming soon), DLNA (Android) and Spotify Connect. PAIR UP TO 6 ZIPPS: Create immersive SoundSpaces in one room or multiple rooms (or outside). Add additional speakers to your home audio system whenever you are ready. TRULY WIRELESS: 10+ hour rechargeable battery--unlike other speakers that require AC power--convenient carrying handle, easy setup, intuitive touch-control interface, speakerphone, and easy to use App. STREAMS ALL APPS NATIVELY: Plays all audio and video apps directly from your device--no proprietary app needed like other wireless speakers. Stream Spotify, Pandora, Netflix, Amazon Music, iTunes and more! AMAZON ALEXA COMPATIBLE: Pair or plug in your Amazon Dot, Tap or Echo to any ZIPP speaker and instantly add Amazon Alexa voice control. ALWAYS GETTING SMARTER: Libratone is constantly adding new features to your ZIPP speakers through free firmware updates available through the Libratone App. Faster startup times, sleep mode, preset Spotify Playlist and more!