Positive Grid Spark Control Wireless Guitar Footswitch Pedal/Controller for Spark Guitar Amplifier and Mobile App with Backing T

get hands-free, wireless control of your Spark 40 or Spark MINI guitar amp for more fun, interactive jam sessions Free accompanying Spark app REQUIRED to connect and set up Spark control with your Spark amp change presets & toggle effects, startstoppause backing tracks, plus more A true plug-and-play experience Easily assign your favorite functions to each footswitch and customize Spark control, with more features & functions on the way Battery powered – get more than 4 months of play on a single charge (with 1 hour of average daily use)