USB Type-C Silicone Dust Plugs – Charging Port Protector Cover for Samsung, Xiaomi, Huawei, Google Pixel | 10 / 30 / 50 PCS. Huawei devices. Preventingcharging issues caused by lint buildup. Designed to fitall USB-C charging ports, these flexible silicone port covers help prevent dirt build-up that can causecharging problems, loose connections, and costly repairs.