Unify technology’s guided onscreen messages make setup simple, Bluetooth with NFC pairing let you stream music from your phone or tablet, 6 HDMI inputs and 4K pass-through ensure it works with the highest-quality audio and video., SoundTouch technology lets you use your Wi-Fi network to play just about anything you want. Accompanying app offers simple control of your music, Add other SoundTouch speakers to expand music to other rooms.