ENGINEERED FOR MINIMAL SIGNAL INTERFERENCE: These E M F free headphones use air tube tech to reduce exposure to wireless signals and electric ELF frequencies; a smart choice for users seeking corded headphones with less signal interaction COMFORTABLE FOR LONG WEAR: Cushioned over-ear fit makes these low E M F headphones ideal for extended use; designed by Defender Shield for tech-conscious listeners who avoid earbud pressure or slipping CLEAR, BALANCED SOUND EXPERIENCE: These plug in headphones use engineered air tubes to convert electrical signals to full-bodied acoustic sound; enjoy podcasts, music, and calls with clarity uncommon in other hollow tube designs FOLDABLE & READY TO TRAVEL: These zero E M F headphones from DefenderShield headphones feature a compact foldable build with a zippered case; reinforced air tubes and tangle-free cord support a more organized listening setup BUILT-IN CONTROLS & ADAPTER-FRIENDLY: These Defender Shield headphones let you adjust volume, skip tracks, and take calls with ease; the air tubes headphones design works seamlessly with 3.5mm jacks and common adapters