Bone conduction or open-ear air conduction: what is the difference?

A clear Shokz technology guide: how sound reaches the ear, which models use each method and what it changes in daily use.

Shokz OpenRun Pro 2 bone-conduction headphone design
Shokz product image from the INTERVALS catalogue.

“Open-ear” means that the ear canal is not plugged. It does not specify how sound is transmitted. Shokz makes both bone-conduction and air-conduction models, and both can use an open-ear design.

This distinction avoids a common error: OpenFit Pro and OpenFit 2+ are not bone-conduction headphones.

Quick answer

Bone conduction sends vibration through the temporal bone toward the inner ear.
Air conduction directs sound through the air toward an unsealed ear canal.
An open ear can admit environmental sound, but volume and attention still determine awareness.

Bone conduction: OpenRun and OpenSwim

Bone-conduction transducers rest near the cheekbone and create mechanical vibration that reaches the inner ear without following the usual eardrum route. OpenRun Pro 2 uses it for running and sport; OpenSwim Pro also adapts it to swimming.

A free ear canal and stable neckband are practical advantages. Some users feel vibration at high volume, and comfort remains individual.

Air conduction: OpenFit

An OpenFit speaker sits outside the ear canal and directs sound through the air toward the ear. It is closer to a conventional loudspeaker than bone conduction. OpenFit Pro, OpenFit 2 and OpenFit 2+ belong here.

The design supports independent left and right earbuds and directional sound. Because the ear is not sealed, an open model cannot isolate a very noisy environment like a closed or in-ear design.

Shokz OpenFit 2+ open-ear air-conduction earbuds
Shokz product image from the INTERVALS catalogue.

What “hearing your surroundings” really means

An open canal allows environmental sound to reach the ear, but loud playback can still mask it. Reduce volume in traffic, stay attentive and follow event and road rules.

Choose OpenRun for a stable sports neckband, OpenFit for separate daily earbuds, and only a properly rated model for swimming.

Shokz

All Shokz products · Sports headphones

Compare Shokz models

Quick choice by use case

Situation Model and technology Why
Running and cycling OpenRun Pro 2 — bone conduction A stable neckband and an unblocked ear canal.
Work and everyday use OpenFit Pro or OpenFit 2+ — air conduction Separate earbuds, calls and open-ear comfort.
Swimming OpenSwim Pro — bone conduction with MP3 An IP68 model; underwater it uses built-in MP3 rather than Bluetooth.

Frequently asked questions

Are all Shokz headphones bone conduction?

No. Shokz makes both bone- and air-conduction models. OpenFit uses air conduction.

Is open-ear the same as bone conduction?

No. Open-ear describes an unblocked ear canal; sound may use bone or air conduction.

Which technology sounds better?

It depends on the model, fit, environment and preference. Choose for the use case, not the label alone.

Related Shokz guides

Official sources

  1. Shokz official FAQ: technology, water resistance and product features
  2. Shokz: Open-Ear Audio Technology
  3. Shokz (2026): OpenFit Pro and OpenFit series comparison
Author: INTERVALS editorial team. An original comparison based on INTERVALS product data and official Shokz documentation; it is not a translation of a manufacturer article. Facts last checked: 21 August 2026.
Need help?