Effect Box.
This particular ModFX unit combines a compressor, a distortion effect, a dual phasor, plus one of six different "Bitrness" effects. The "Bitrness" effects are a comb filter, a decimator, a bit reducer, a frequency modulator, ...
Compact Vocal Processor Pedal - adds one or two voices of realistic harmony to your voice. Guitarist/singers can take advantage of H1's uncanny guitar-sensing ability to keep your harmonies in tune. For non-guitarists, H1 has a key selector ...