BOSS FS-1-WL Wireless Footswitch
They say:
Wireless Foot Control for Digital Music Scores, YouTube, DAWs, Instruments, and Beyond
Ultra-compact and customizable, the FS-1-WL is an essential hands-free partner for all your creative needs. Control digital music score apps, YouTube videos, DAWs, and supported BOSS and Roland gear wirelessly over Bluetooth®. Or, connect a MIDI cable to operate multi-effect processors, pedals, and other hardware.
Expand your setup with external footswitches and an expression pedal, and use the dedicated editor/librarian to assign keyboard commands and a variety of MIDI messages to control nearly any software application or MIDI device.
