The 45 mm driver unit on the Fantech GS202 SONAR gives you high-resolution sound for the ideal gaming experience. SONAR GS202 PORTABLE USB2.0 GAMING & MUSIC SPEAKER 45MM Driver Unit RGB Lighting AUDIO HIGH-RES With its 45 mm driver unit, the Gs202 SONAR offers you high-resolution sound for the ideal gaming experience. LIGHTNING EFFECTS Magnet Free Material Body Because the GS202 body is made of non-magnetic material, you can be sure that it won't cause the display to become magnetized when it is placed in an office or other space.