1. Metal material, not easy to rust, durable 2. Smooth and rounded grinding, do not hurt the phone 3. Applicable: 3.5mm port universal 4. Technology: anodized, sandblasted, high glossy bright edge 5. Function: headphone hole jewelry, effectively reduce the entry of dust, can be used as a pickup pin 6. Material: metal 7. Note: only the dust plug, does not include the phone in the picture
