Bone Conduction · The rankings
Best bone conduction headphones for swimming: four that work under a swim cap
Underwater, Bluetooth stops a few inches from the surface. So a swim headphone needs two things: an IP68 or IPX8 rating and music stored on the headphone itself. These four have both.
By Mike M.Updated Spec-checked, not worn by us
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Quick picks
The rankings at a glance
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  Shokz OpenSwim Pro IP68 and swimproof to 2 m with 32 GB of onboard MP3 storage for the pool, plus Bluetooth 5.4 for dry land. The one Shokz you can actually swim in. | Best overall for swimmingBone conduction (neckband) | 8.5 /10 | Check price · Amazon |
| 2 | H2O Audio TRI 2 PRO Built for swimmers first: IPX8 to 12 ft, 8 GB of MP3 storage and a PLAYLIST+ mode that stores streaming playlists for underwater play, with Bluetooth for the run leg. | Best for streaming playlistsBone conduction (neckband) | 7.7 /10 | Check price · Amazon |
| 3 | Mojawa Run Plus IP68, 29.6 g, 32 GB of storage and a 5-minute quick charge in the under-$100 band. A swim-capable neckband that undercuts Shokz on paper. | Best value with 32 GBBone conduction (neckband) | 8.2 /10 | Check price · Amazon |
| 4 | Creative Outlier Free Pro IPX8, 10 hours, 8 GB of onboard MP3 storage and Bluetooth 5.3 multipoint for well under $100. The budget bone conduction set that can also swim. | Cheapest swim-capableBone conduction (neckband) | 8.3 /10 | Check price · Amazon |
#ad · Prices are set by Amazon and change often, so we don't print them. Scores are ours, built from published specs and cited independent reviews, not our own wear tests. Photos are illustrative stock. Tap a row for the full write-up.
Why Bluetooth fails in the pool
Radio at Bluetooth's frequency is absorbed by water almost immediately; a phone on the pool deck loses the headphone as soon as your head goes under. Every maker says so. H2O Audio's own product page: “Bluetooth does not work underwater. To enjoy music underwater, use MP3 or PLAYLIST+ mode.” That's why every pick on this page has onboard storage, and why a swim headphone without storage is a rain headphone.
Bone conduction is the right transmission for water for a second reason: with your ears open, water fills the canal and an air-conduction speaker has nothing to push against, while a transducer on the cheekbone works the same wet or dry. Some swimmers add earplugs to reduce the water in the canal and get a fuller sound; H2O Audio and Shokz both mention this in their guidance, and the Suunto Wing ships with earplugs for the same idea on land.
The table
| Evidence | Shokz OpenSwim Pro | H2O Audio TRI 2 PRO | Mojawa Run Plus | Creative Outlier Free Pro |
|---|---|---|---|---|
| Water & sweat rating | IP68, swimproof to 2 m | IPX8, submersion to 12 ft / 3.6 m | IP68 (fully submersible) | IPX8 (Creative: run, cycle and even swim) |
| Weight | 27.3 g | — | 29.6 g | 31.5 g / 1.11 oz |
| Battery | 9 hours Bluetooth / 6 hours MP3 | 6 to 9 hours depending on mode | 8 hours; standby up to 10 days | Up to 10 hours per charge |
| Quick charge | 10 min = 3 hours | — | 5 min = 90 min | — |
| Charging | Magnetic induction, 1.5 hours to full | About 2 hours | Magnetic induction, 1 hour to full | Magnetic charging cable |
| Bluetooth | 5.4 | — | 5.2 | 5.3 |
| Storage | 32 GB MP3 storage | 8 GB MP3 player; PLAYLIST+ stores streaming playlists for offline play | 32 GB built-in | 8 GB built-in memory |
| Score | 8.5/10 | 7.7/10 | 8.2/10 | 8.3/10 |
Fit under a cap and goggles
All four are neckbands: transducers on the cheekbones, band behind the head. A swim cap goes over the band and holds everything down, which is why a neckband works in water where an earbud wouldn't. Goggle straps sit above or below the band depending on head shape; wide-strap goggles usually sit above. The lighter the band the less it moves on a flip turn: the OpenSwim Pro is 27.3 g, the Mojawa 29.6 g, the Creative 31.5 g; H2O doesn't publish a weight.
Chlorine, salt and the rating
In detail
The picks, in full
Rank 1
Stock photoBest overall for swimming
Shokz OpenSwim Pro
IP68 and swimproof to 2 m with 32 GB of onboard MP3 storage for the pool, plus Bluetooth 5.4 for dry land. The one Shokz you can actually swim in.
Spec sheetSpec-checked · not worn by us
| Fit system | Bone conduction (neckband). Ear canal stays open: you hear the room and traffic. |
|---|---|
| Water & sweat rating | IP68, swimproof to 2 m |
| Weight | 27.3 g |
| Battery | 9 hours Bluetooth / 6 hours MP3 |
| Quick charge | 10 min = 3 hours |
| Charging | Magnetic induction, 1.5 hours to full |
| Bluetooth | 5.4 |
| Microphones | Dual AI noise-canceling |
| Controls | Physical buttons |
| Driver / tech | 8th-gen bone conduction (PremiumPitch 2.0+) |
| Storage | 32 GB MP3 storage |
| Launched | June 2024 |
How the 8.5 score breaks down
- Fit security (25%)
- 10
- Sweat & water resistance (20%)
- 10
- Awareness (open canal) (15%)
- 10
- Sound & leakage (15%)
- 5
- Calls & wind (10%)
- 7
- Battery & charging (10%)
- 8
- Value (5%)
- 5
What the spec sheet supports
- IP68 with a stated 2 m swim depth, the only current Shokz rated for the pool
- 32 GB MP3 mode because Bluetooth does not travel through water
- Still a full Bluetooth 5.4 headset with mics for running days
Where it falls short
- Magnetic charging cable, not USB-C
- Bone conduction bass is the older 8th-gen type; no DualPitch
- You pay a premium for waterproofing you may only use once a week
Skip this if…
…you never swim; the OpenRun Pro 2 sounds better and the OpenRun Air 2 is just as sweatproof for less.
#ad · Price set by Amazon · Disclosure for the link to Shokz OpenSwim Pro
Rank 2
Stock photoBest for streaming playlists
H2O Audio TRI 2 PRO
Built for swimmers first: IPX8 to 12 ft, 8 GB of MP3 storage and a PLAYLIST+ mode that stores streaming playlists for underwater play, with Bluetooth for the run leg.
Spec sheetSpec-checked · not worn by us
| Fit system | Bone conduction (neckband). Ear canal stays open: you hear the room and traffic. |
|---|---|
| Water & sweat rating | IPX8, submersion to 12 ft / 3.6 m |
| Battery | 6 to 9 hours depending on mode |
| Charging | About 2 hours |
| Storage | 8 GB MP3 player; PLAYLIST+ stores streaming playlists for offline play |
| Extras | H2O Audio: Bluetooth does not work underwater; use MP3 or PLAYLIST+ mode |
How the 7.7 score breaks down
- Fit security (25%)
- 9
- Sweat & water resistance (20%)
- 10
- Awareness (open canal) (15%)
- 10
- Sound & leakage (15%)
- 4
- Calls & wind (10%)
- 5
- Battery & charging (10%)
- 6
- Value (5%)
- 4
What the spec sheet supports
- Rated deeper than the Shokz OpenSwim Pro (12 ft vs 2 m)
- PLAYLIST+ solves the streaming-service problem for swimmers
- Neckband fit sits under a swim cap
Where it falls short
- 6 to 9 hours is the widest and lowest battery range here
- H2O Audio doesn't publish weight or Bluetooth version on the product page
- Priced like a flagship for a set most people will only use in water
Skip this if…
…swimming isn't a weekly thing; this is a pool tool, and the OpenRun Pro 2 is a better everyday headset.
#ad · Price set by Amazon · Disclosure for the link to H2O Audio TRI 2 PRO
Rank 3
Stock photoBest value with 32 GB
Mojawa Run Plus
IP68, 29.6 g, 32 GB of storage and a 5-minute quick charge in the under-$100 band. A swim-capable neckband that undercuts Shokz on paper.
Spec sheetSpec-checked · not worn by us
| Fit system | Bone conduction (neckband). Ear canal stays open: you hear the room and traffic. |
|---|---|
| Water & sweat rating | IP68 (fully submersible) |
| Weight | 29.6 g |
| Battery | 8 hours; standby up to 10 days |
| Quick charge | 5 min = 90 min |
| Charging | Magnetic induction, 1 hour to full |
| Bluetooth | 5.2 |
| Multipoint | Yes |
| Storage | 32 GB built-in |
| Extras | Full titanium construction |
How the 8.2 score breaks down
- Fit security (25%)
- 9
- Sweat & water resistance (20%)
- 10
- Awareness (open canal) (15%)
- 10
- Sound & leakage (15%)
- 4
- Calls & wind (10%)
- 6
- Battery & charging (10%)
- 8
- Value (5%)
- 9
What the spec sheet supports
- IP68 and 32 GB at a price the Shokz OpenSwim Pro doesn't approach
- Lighter than the Creative and close to the Shokz OpenRun
- Quick charge, which the Shokz OpenMove lacks
Where it falls short
- 8 hours is two short of the Creative Outlier Free Pro
- Magnetic charging cable
- Fewer independent reviews than Shokz; we cite only Mojawa's own specs
Skip this if…
…you want the brand with the deepest review record and the widest accessory support; Shokz has both.
#ad · Price set by Amazon · Disclosure for the link to Mojawa Run Plus
Rank 4
Stock photoCheapest swim-capable
Creative Outlier Free Pro
IPX8, 10 hours, 8 GB of onboard MP3 storage and Bluetooth 5.3 multipoint for well under $100. The budget bone conduction set that can also swim.
Spec sheetSpec-checked · not worn by us
| Fit system | Bone conduction (neckband). Ear canal stays open: you hear the room and traffic. |
|---|---|
| Water & sweat rating | IPX8 (Creative: run, cycle and even swim) |
| Weight | 31.5 g / 1.11 oz |
| Battery | Up to 10 hours per charge |
| Charging | Magnetic charging cable |
| Bluetooth | 5.3 |
| Multipoint | Yes |
| Storage | 8 GB built-in memory |
| Extras | Silicone and titanium memory alloy frame; plug-in microphone for underwater use |
How the 8.3 score breaks down
- Fit security (25%)
- 9
- Sweat & water resistance (20%)
- 10
- Awareness (open canal) (15%)
- 10
- Sound & leakage (15%)
- 4
- Calls & wind (10%)
- 6
- Battery & charging (10%)
- 8
- Value (5%)
- 10
What the spec sheet supports
- IPX8 at a budget price: the cheapest set here you can take in the pool
- 10 hours beats the Shokz OpenMove by four
- 8 GB MP3 player for swimming or phone-free runs
Where it falls short
- Heavier than the Shokz OpenRun models at 31.5 g
- No dust rating (the X in IPX8 means dust wasn't tested)
- Magnetic charging cable rather than USB-C
Skip this if…
…you want the best sound at this price; bone conduction bass is thin across the board and the sealed JLab Go Sport+ sounds fuller for less.
#ad · Price set by Amazon · Disclosure for the link to Creative Outlier Free Pro
Buyer's guide: a swim headphone that's also a run headphone
Storage size and how you load it
The OpenSwim Pro and Mojawa hold 32 GB, the Creative and H2O 8 GB. All take MP3 files copied from a computer. H2O's PLAYLIST+ is the exception: it stores playlists from streaming services for offline play, which is the feature to buy if your music lives in an app rather than a folder.
Battery in MP3 mode
Shokz publishes 9 hours in Bluetooth mode and 6 in MP3 mode; H2O publishes 6 to 9 depending on mode. Assume the lower figure for pool days.
Dry-land use
The OpenSwim Pro is the only one of the four with a modern Bluetooth spec (5.4) and dual AI mics, which makes it the one that doubles as a proper running headset. The others are swim-first. If you want one pair for triathlon, that decides it.
Charging
None of the four is USB-C. Shokz and Mojawa use magnetic induction cables, Creative a magnetic cable, H2O a proprietary cable. Buy a spare.
How we scored this
Pairs we claim to have worn: none we haven't
Plenty of sites say they ran a hundred miles in every pair on the list. We don't say that, and we say so on every page. What we do instead: classify the retention system (hook, clip, wing, neckband), record the maker's published IP rating, weight, battery, charging, mic and control type from its own product page, cross-reference at least one independent published review where one exists, and score every pick on a public rubric. Every figure links to where it came from.
Scores are editorial judgments from that documented research, not lab results. Commissions never set a score or decide a pick. The rubric and its weights are published.
Corrections & updates
- First edition.
Questions
Frequently asked
Can you use Bluetooth headphones while swimming?
Which Shokz can you swim with?
Do bone conduction headphones work underwater?
Is IP67 enough for swimming?
Keep reading
Related on Openear Club
Receipts
Sources
- Shokz — official product comparison table (checked 2026-09-21)
- Shokz — OpenSwim Pro product page (checked 2026-09-21)
- H2O Audio — TRI 2 PRO product page (checked 2026-09-21)
- Mojawa — Run Plus product page, specifications (checked 2026-09-21)
- Creative — Outlier Free Pro product page, specifications (checked 2026-09-21)
- IEC 60529 (IP Code) — degree-of-protection definitions, Keystone Compliance summary (checked 2026-09-21)
We haven't worn every pair on this site and we don't pretend to. Specs come from the maker's own product pages (linked on every product), independent findings are attributed to whoever published them, and Amazon prices change often, so we don't print them. Where a figure isn't published, we say so. Read the full method.