Zippered case. Compatible with all Shure earphones.
“ Build Solid construction for earpieces. However after close to 2 years of usage the canal duct which the silicon sleeve sits on came loose from the main earpiece, not totally but loose enough to affect the quality of sound, especially bass. Wire was durable, however it oxidizes easily, and the oxide seeps into the main earpiece from the memory wire, which...” --broww
Featuring unique, balanced armature drivers for brilliant highs, and tuned port for extended bass, the lightweight and compact SCL4 provides high-definition audio with remarkable isolation for performers and enthusiasts alike.