The Roland AE-10G Aerophone Pack offers everything required by the gigging musician. The fingering system is ergonomically designed to suit saxophonists who are used to the traditional instrument. The 40 preset and 100 user tones cover a wide range of styles and tunings as well as a variety of other instruments. The AE-10Gs breath sensor accurately measures the force and style of your blowing to produce depth and rich dynamics to your overall sound. This model can run from six AA batteries and features a headphone slot for taking your music anywhere.