CJB Dust Plug / Earphone Jack Accessory Lovely Colorful Leather for iPhone 4 4S S4 5 All Device with 3.5mm Jack A perfect decoration & protection for your device! Fits for all devices with standard 3.5mm earphone jacks. Designed to protect your headphone jacks from dust, water & mist. Provides the final seal to the well enclosed phone/tablet design.