Anti-Radiation FBI Agent Popular Mono Earphones, KUCIPA 3.5mm Stereo Air Tube Patent Wired Earpiece Earbuds Headphones with Microphone Protecting your health- Deliver crystal clear sound via air tubes with no radiation, perfectly prevent wave radiation from your brain. Mono design could bring you a different cool feeling,just like FBI Agent. And 3.5 mm jack fit all 3.5mm audio devices. 3 sizes (S/M/L)soft silicone ear buds for a super comfortable, noise isolating fit, and a rugged travel case.(M size silicone earpads on the earbuds). With special collar clip and On Off Answer Switch, convenient to fix headphone and microphone, ensure the quality of answer the call. New "Smart switching mode" Module that allows you to bid farewell to switch wiring trouble. Features a noise cancelling rubber ear tips for maximum clarity.