The Aerophone Go from Roland is a great product for anyone looking to add digital sounds to their musical fold, or for anyone just beginning to start playing music. The Aerophone Go is designed for portability to play music anywhere. The lightweight instrument comes with four rechargeable AA batteries and soft case. It also features a built-in speaker as well as a headphone input so you can play for a group of people or just to yourself. The Aerophone GO supports both traditional saxophone and recorder fingerings. Its Authentic Breath Control can be toggled on and off to give the user even more expressive capabilities in dynamics, vibrato, and pitch. The built in transposition function is yet an other great option to make playing with other instrumentalist easy and fun. 11 on board sounds are included with the Aerophone Go. You can easily add 50 more sounds by taking advantage of the free Aerophone Go Plus app for your iOS or Android devise and the Aerophone Go's Bluetooth capability. In addition to the Aerophone Go Plus, there is another app, Aerophone Ensemble. This App allows you to connect with up to 7 other Aerophone Go players with 19 sounds available. You can then use the app on your device to mix the sound an output to a Bluetooth speaker of your choosing. The versatility of the Roland Aerophone Go makes this digital wind instrument great for any level musician.