AKG Headphones app redefines your headphones experience. Through your mobile device, you can now conveniently control the headphone settings, smart ambient, noise cancelling and many more in your AKG Headphones app. Supported models are: - AKG N9 Hybrid, N5 Hybrid, - AKG N400NC, N200NC, N20, N400, N700NC, N700NC wireless, Y600NC wireless