Dedicated editor for BOSS Wireless footswitch FS-1-WL FS-1-WL Editor is a free app for the BOSS Wireless footswitch FS-1-WL that lets you customize the transmitted MIDI CC/PC numbers as well as the HID keycode and indicator colors. Connect the BOSS FS-1-WL and your iPhone/iPad via Bluetooth to use this app. * BOSS FS-1-WL is necessary to use this app. * Set up the Bluetooth connection in the Connection window displayed after the app is launched. For more detail, please visit our website: https://www.boss.info/global/products/fs-1-wl/