NASA Grade Dual Defense: Engineered with 2 aerospace aluminum dust plugs + 2 medical-grade silicone plug cover. 360° sealed protection against dust, sand, and sweat corrosion—proven 3X more durable than generic plugs in lab tests. Surgical-Grade Cleaning Brush: Our usb c port cover kit Includes 1 ultra-fine 1.5mm nylon brush designed by audiologists to safely remove debris without scratching gold-plated connectors. Zero Fall-Out Design: AILOVETECK type c dust plug made in 3D-scanned from Apple/Samsung OEM ports with 0.05mm precision. 37% tighter fit than generic plugs—stays secure during workouts. 1-Second Universal Fit: Our usb c dust plugs seamlessly fit all devices with all USB-C ports (e.g. for iPhone16/16 Plus/16 Pro/16 Pro Max, for iPhone 15/15 Plus/15 Pro/15 Pro Max, for Galaxy S24 Ultra/S23 FE/S22+/S21 5G, for Google Pixel 8 Pro/8/7a, for OnePlus 12/11/10 Pro, All USB C Devices) Tool-Free Convenience: Grooved aluminum tops allow quick removal using coins or fingernails, eliminating dependency on tweezers for hassle-free port access. 4pcs USB C DUST Plug, Type C Plug Cover with Brush