Cero Antibacterial | Antimicrobial | Disinfectant EARBUD & HEADPHONE Sanitizer & Service. (100ml) Mobile Headphones & Earbuds are very sensitive to water and hence we are unable to clean them with water. EARBUD100 is Used to Sanitize & Service Earbud & Headphones. Simply Spritz 6 to 10 sprays on earbud & Headphone and Wipe.