The Ultimate Earphone Upgrade. Comply TrueGrip Pro Premium Foam Tips are designed for truly wireless earbuds, with a tapered design that seals in the ear canal to block out external noise for better sound. TrueGrip tips feature a shorter design for a perfect fit in the charging case without sacrificing comfort. TrueGrip earphone tips help get the most out of your audio while working out, jamming out, or zoning out in your commute. Comply Premium Memory Foam Advantages Over Silicone: 100% better grip ensures secure fit during workout; 30x softer for comfort without ear pain; 2x external dB reduction for enhanced sound at lower volumes. Made in the USA (from U. S. & imported goods). Body-heat activated foam conforms to ear canal for a secure fit and perfect seal for enhanced sound and comfort. Recommended by audiophiles. COMPATIBILITY: Jabra Elite 75t, Jabra Elite Active 75t Jabra Elite 65t, Jabra Elite Active 65t, Jabra Elite Sport, Jabra Evolve 65t. NOT COMPATIBLE with Jabra Elite 85t. For other earphone brands and models, see complyfoam/compatibility. INSTALLATION: TrueGrip's "recessed core" ensures the tip can fit on earphones without interfering with charging. To ensure a secure fit, push on the device as far as possible.