Amazon.com: BOSS Wireless MIDI Expression Pedal (EV-1-WL),Black : Musical Instruments
Express Yourself: Expanding Creativity with the EV-1-WL - BOSS Articles
MIDI Expression Pedal EX3. Programmable and configurable. An autonomous MIDI expression pedal for sending CC events (e.g. Volume or Modulation), Pitch Bend or Aftertouch. : Amazon.co.uk: Musical Instruments & DJ