Tools & requirements- Microfiber cloth- Soft-bristled brush or small silicone pastry brush- Compressed air – Cotton bud- 70% isopropyl alcohol (aka rubbing alcohol, optional) Worried about keeping your handy and oh-so-pocketable earbuds clean? It’s a good concern to have; the things sit in your outer ear canal, after all. The best true wireless earbuds are designed to come with you everywhere, but public places such as the gym, the subway and even your office hot-desk have all proved prime locations for gathering