Safe and non-odor material - Made of environmentally friendly soft material that is safe for devices, has no smell, and will not damage earphone components or holes. Compact and portable - Lightweight, concise design that is easy to carry in a bag or pocket without adding bulk. One-piece design with protection - Hold the cleaner in your hand for precise cleaning. Retractable brush and storage cover protect both ends when not in use. Effective dual cleaning - Metal pen tip and high-density brush work together to remove stubborn stains from mobile phones and headphones. Easy to clean after use. Use scenarios - At a desk: clean keyboard keys and dust between keys, along with nearby earphone ports, without risking damage. - On the go: quickly wipe mobile phone screens and headphone housings for a cleaner surface during daily use. - Travel or remote work: keep your devices clean with a compact tool that fits in a laptop bag or travel kit.