Boss EV-1-WL Wireless Expression Pedal; Provides wireless foot control for the Boss Eurus GS-1 Synth Guitar (not included - item no. 524461) and the Waza-Air headphones (not included - item no. 480241), music apps on mobile devices, and anything that can receive CC messages via Bluetooth MIDI; USB and MIDI TRS connectors for wired control; Use all three outputs at once with independent MIDI CC settings for each; Supports communication with the Roland WM-1 and WM-1D wireless MIDI adaptors; Built-in toe switch with on/off indicators on both sides of the pedal; Control input for up to two BOSS FS-series footswitches, iOS/Android app for assigning MIDI CC numbers, customizing the response, and more; Powered with two AA batteries or Boss PSA power supply (not included); Dimensions (W x D x H): 62 x 200 x 87 mm (2,44" x 7,87" x 3,43"); Weight: 600 g (1,32 lbs)