The Flow 2 Bundle → free polarised sunglasses + waterproof case with every pair
Get the Bundle — $99
AONIC Flow 2 on volcanic rock, wave behind

Engineered for impact water. Not pool water.

You watched them go under and keep playing. Here's the engineering that made that boring.

See Why It Survives — $99
KITE · SURF · WING · WAKE · SUP · SWIM · KITE · SURF · WING · WAKE · SUP · SWIM
Bone conduction transducer on cheekbone, ear open

1. Sound Through Your Cheekbones — Ears Open to the Ocean

Bone conduction transducers rest on your cheekbones and deliver sound as vibration, straight past the eardrum's usual route. Nothing enters your ear: no seal to break underwater, no tip to lose in a wipeout, no plug between you and the boat, your mates, or the set building behind you. It's the one audio mechanism that works with open water instead of trying to hide from it — which is why we tuned ours for wind and water, not for a quiet room.

IP rating ladder from IPX4 to IPX8

2. "Waterproof" Headphones Are Mostly Gym Gear

The word "waterproof" is doing a lot of undeclared work in this category. Most sports earbuds carry IPX4–IPX5: sweat, drizzle, a splash at the tap. That rating was honest — the marketing around it wasn't. As one rider wrote after the usual funerals: "various cheaper 'waterproof' bluetooth headphones I tried all died after a few sessions." The Flow 2 is rated IPX8: continuous submersion at 10 metres for 30 minutes, and built for salt water — rinse after, ride again. Different rung, different sport, different engineering brief.

Physics diagram: Bluetooth dies underwater, onboard MP3 plays

3. Bluetooth Dies Five Centimetres Underwater. The Fix Is Onboard.

This is the specification nobody explains: 2.4GHz radio — all Bluetooth — is absorbed almost instantly by water. Every "waterproof Bluetooth earbud" goes silent the moment you go under; a wing foiler called it "the major dealbreaker… I need to restart the music every time it gets submerged." The Flow 2 solves it the only way physics permits: 32GB of onboard storage — 6,000+ songs living in the headset itself. Drag and drop from any computer. Bluetooth 5.4 is there too, for the beach and the drive home. In the water, the headset is the music.

Titanium frame, leash, battery and salt-rinse details

4. Engineered to Overdeliver

A titanium frame that flexes through impact instead of snapping. Silicone ear hooks that hold through the crash you've already seen on film. An included silicone safety leash — because your board has one, and for the same reason. 10 hours of battery, recharged in 90 minutes. Built for salt water: rinse after, ride again. Each spec exists because a session killed a prototype that lacked it.

Spec and price comparison: Flow 2 vs the $230 alternative

5. The $230 Spec Sheet, at $99 — Rated 4.8★ by 252 Riders

Shokz's OpenSwim Pro is a genuinely good product — for lap lanes. It runs the same 32GB-plus-submersion architecture as the Flow 2 and sells for $180–230. Ours is $99, runs 10 hours to their nine, ships with a leash theirs doesn't have, and was tested by people who get held under, not people who do flip turns. 252 verified reviews, 4.8 stars — read them before you decide anything. That's the entire pitch: same class of machine, built for rougher water, at less than half the price.

The Flow 2 bundle: headset, sunglasses, phone case, leash

Free Shipping & 30-Day Ocean Guarantee

The Flow 2 Bundle

One price: $99. The headset, plus free polarised sunglasses and a free waterproof phone case — while launch stock lasts. Backed by a 2-year warranty and 30 days to wipeout-test them. And obviously, you get the headphones.

Get the Bundle — $99 + Free Shipping
4.8★ · 252 Reviews AONIC Flow 2.0

AONIC Flow 2.0

$99

Add the Bundle — $99
Free Polarised watersport sunglasses

Polarised Watersport Sunglasses

FREE — included with the headset

In every bundle
Free Waterproof phone case

Waterproof Phone Case

FREE — included with the headset

In every bundle
Included Silicone safety leash

Silicone Safety Leash

Included with every headset

In the box

30-Day Ocean Guarantee — Wipeout-Test Them Yourself

★★★★★

"Went under for a good few seconds, and they didn't budge, still pumping tunes when I came up."

Verified Customer
★★★★★

"I had Shokz where microphone and buttons stop working. Owned these for 3 months now and no failures."

Verified Customer
★★★★★

"32GB of storage means I do not need my phone on the water anymore. That alone is worth it."

Verified Customer
★★★★★

"The IPX8 waterproofing is legit, I've had no issues with submersion… the included safety leash is a thoughtful touch."

Verified Customer
AONIC — music in the water.

Built by riders, for everyone on the water. 2-year warranty · 30-day Ocean Guarantee · Free shipping.

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