Air tube technology
The speakers sit at the bottom of a 7-inch hollow air tube. Only acoustic waves travel that final stretch — no electrical current and no electromagnetic field reaches your head or ear canal.
15% OFF When You Buy 2+ Items
Hollow air tubes carry the sound, so the speaker never sits against your head.
Choose your earbuds
Dual-Sided Stylus
Memory Foam Ear Tips
EMF Guide (PDF)
Emailed on order confirmation
1-Year Limited Warranty
HSA/FSA eligible, around 30% back. Air tube design keeps the speaker away from your head. Free US shipping on orders over $150.
Air Tube Earbuds
Air tube technology
The speakers sit at the bottom of a 7-inch hollow air tube. Only acoustic waves travel that final stretch — no electrical current and no electromagnetic field reaches your head or ear canal.
Copper-infused ELF shielding
The braided nylon cord is infused with copper to reduce the ELF radiation an audio signal wire would otherwise emit — the shielding step most wired and air tube earbuds skip.
Verified by lab testing
EMF shielding performance verified through FCC-accredited lab testing. Protected under Patent License #6453044.
They are added to your cart automatically when you add this offer, at no charge. There is no code to enter — each gift appears as its own line item so you can see exactly what is included.
3.5mm has the widest compatibility. Choose USB-C for newer supported devices, including iPhone 15 and newer, Google Pixel, and newer Samsung models.
US domestic orders ship at a flat $8.99. Orders over $150 ship free.
Every DefenderShield product carries a 1-Year Limited Warranty against defects in materials or workmanship, effective from the original purchase date.
Yes. DefenderShield products qualify, so paying with HSA or FSA funds saves you around 30%.
Pick your connector above and the free gifts come with it.