Use this app to personalise your settings for selected Marshall Bluetooth speakers and headphones. Customise the sound, rename your device, access user manuals, receive software updates and more. Supports the following Marshall products: Acton III Bluetooth Stanmore III Bluetooth Woburn III Bluetooth Emberton II Willen Motif A.N.C. Mode II Monitor II A.N.C. Acton II Bluetooth Stanmore II Bluetooth Woburn II Bluetooth