Best2buy365 white 3.5mm Starbucks Earphone Plug Anti Dust Stopper Caps Set Kit Bundles for iPhone 5G 5 4S 4G Samsung i9300 S3 i9220 i9100 HTC Nokia Mobile Phone Plug this kit into 3.5mm headphone jack to prevent the dust Prevent dust from polluting the inside part of phone from earphone hole