These Comply premium memory foam earphone tips are designed to enhance comfort, noise isolation, sound quality, and earbud security to provide the greatest possible listening experience. Unlike silicone tips that slide out and require constant readjustment, these body-heat activated memory foam earphone tips feature a stay-in-ear grip designed to hold on and not let go. Intergraded SweatGuard filter protects device from unwanted materials. Patented SmartCore flexible core technology adapts to the earphone's sound port nozzle for a secure fit, ensuring perfect compatibility with most earphone brands and models. To confirm earphones are compatible with SmartCore, visit Comply's website and utilize the "Find Your Fit" interactive feature. Products are manufactured in Oakdale, Minnesota, in the United States. COMPATIBILITY: 1More Capsule Dual Driver, 1More Piston Classic, 1More Piston Fit, 1More Piston Fit Wireless, 1More Stylish Wired, 1More Stylish Wireless, Blue Ant Pump, Bowers & Wilkins PI3, Fostex TE-04, Grado GR8e, i.Am Buttons, JBL Endurance JUMP, JBL Live 100, JBL Reflect Aware, NuForce BE Live5, OnePlus Bullet Wireless, Pioneer C8, Samsung Level U Pro, Skullcandy Ink'd, Ink'd+ Wireless, Ink'd+ Active, Skullcandy Jib, Jib+ Active, Jib Wireless, Skullcandy Method Active, Method ANC, Method BT Sport, Skullcandy Set, Skullcandy Smokin' Buds 2.