Made in the USA using proprietary memory foam materials for the ultimate in-ear headphone upgrade.
Best for: music lovers, everyday listening, conference calls, travelers
Compatible with Most In-Ear Headphones
Secure In-Ear Fit
External Noise Isolation
Superior Audio Experience
SmartCore™ fits on sound port nozzles with a 0.19” - 0.24” (4.8mm - 6.3mm) diameter which is all models under the 200, 400, 500 and 600 series. *** Does not fit on Etymotic, Klipsch, Shure and Westone brand IEMs.