Eventide H9 Core Harmonizer, effects pedal for electric guitar, built in effects from PitchFactor: H910 H949, comes with coupon for one freee algorithm, incl. tuner, 43 additional effects can be bought via H9 control app, one-button design with Bluetooth connectivity for iPods, iPhones and iPads and manage the presets, free iOS app, Mac or PC connection via USB port, stereo inputs and outputs, MIDI in/out, footswitch and expression pedal inputs, incl. power supply.