Editor dedicated for BOSS Wireless MIDI Expression Pedal EV-1-WL EV-1-WL Editor is a free app for the BOSS Wireless MIDI Expression Pedal EV-1-WL that lets you customize the transmitted MIDI CC numbers as well as the pedal response curve and indicator colors. Connect the BOSS EV-1-WL and your iPhone/iPad via Bluetooth to use this app. * BOSS EV-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/ev-1-wl/