Positive Grid SparkControl footswitch with four switches. I used it connected to the Spark NEO. Purchased new, it's practically new, with only three uses. ■ Compatible models: Spark, Spark Pearl, Spark MINI Black, Spark MINI Pearl, Spark GO, Spark GO Pearl, Spark LIVE ■ Dimensions: 248 x 70 x 45mm ■ Weight: 0.31kg ■ Includes: Spark Control footswitch, USB cable, quick start guide ※ You need to use the app to connect the Spark Control to the Spark amp. ～From the manufacturer's website～ ・Four steel switches with good response and quiet click feel ・Connects to the Spark app via Bluetooth to control the amp ・Assign and change any preset with the switches ・Assign and turn on/off any effect with the switches ・Play/stop/pause songs/backing tracks with the switches ・Control the functions of the Experience Jimi Hendrix? expansion with the switches ・Bluetooth 5.0 BLE connection, controllable from a distance of over 45m ・Rechargeable built-in battery with over 150 hours of continuous operation - Brand: Positive Grid - Model Name: Spark - Function: Footswitch - Number of Switches: 4 - Package: With original box Thank you for viewing.