Atrio Future Sonic 500-050 SignatureSeries - Roberto Alomar Earphone, MG7 Pro -Blue For Use with: Concert Stage, recording studio, houses of worship, broadcast. Works great with: iPod, Zune, MP3 Digital Media Players, Laptop Computers, Portable DVD Players, Playstation, GameCube & most other game systems Multiple Fit Options 100% Armature & Crossover Free Technology