The SC LIVE 4's integration with Amazon Music Unlimited and other popular streaming services gives DJs instant access to over 100 million CD quality (aka “lossless”) songs across all musical genres. With built-in Wi-Fi and lightning-fast onboard song analysis, you can now perform a full DJ set without owning or preparing any music ahead of time. With built-in Wi-Fi the SC LIVE 4 connects you with your favorite music streaming service or personal cloud storage without being tethered to a computer. Log in to your streaming account directly on the unit for instant access to the world's largest music collections. In addition to the groundbreaking integration with Amazon Music Unlimited, the SC LIVE 4 offers a vast array of streaming service options including Beatport LINK, Beatsource LINK, SoundCloud GO+, and TIDAL. No matter what musical genre you prefer, the SC LIVE 4 has you covered. In addition to streaming options, it's easy to access your personal music library and playlists using the SD card slot and 2 USB inputs. Or, simply connect your Dropbox account to access your personal music collection remotely from anywhere in the world.