1. The dust-proof plug for the mobile phone charging port used with the back sticker can fix the card while being dust-proof and waterproof, making it multi-purpose. 2. Two interfaces, suitable for use with different mobile phone charging ports. Choose the interface you need according to your needs. 3. Beautiful and elegant, not blocked when charging, easy to use 4. The charging port dust-proof plug can solve problems such as poor charging of mobile phones and excessive dust in the charging port, and extend the service life. 5. The surface that contacts the mobile phone is made of silicone and will not scratch the surface of the mobile phone. 6. Precision design, tight packaging 7. Material: aluminum alloy + silicone
