Specification: 1. Material: silicone 2. Color: white, black 3. Compatible with: Any smartphone with 3.5mm earphone jack and android smartphone with Mirco USB. Features: 1. This dustproof plug can prevent the dust into the earphone jack. 2. Compact and lightweight. 3. Made by soft rubber, it can completely fit the device's surface. Package: 1 x 3.5mm Earphone Jack Cover Cap 1 x Micro USB Cover Cap