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Be close to your swimmers underwater while staying on land.

Train all your team
without shouting
Your swimmer hears you underwater
Help your swimmers follow the right pace
You don’t break your voice
Correct your swimmer in real-time
You can talk right when you need it

Real-time coaching

No need to shout anymore,
the swimmers hear you anyway
Now swimmers do not hear the coach because their ears are underwater.
Swimmers hear every coach's word with SONR.
Demo location
Test it out in person
You can now test
in Portugal
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Check out these reviews.

I love the small size, sleek shape and the design of the device. It it comfortable, unnoticeable under the cap and doesn’t add resistance while swimming.

Vladimir Curinnoi
Professional Swimmer,
WSI Water Safety Instructor

I would recommend this product to professional swimmers and their coaches who are enthusiastic and eager to improve results at a faster rate. Thanks for a wonderful invention, SONR!

Valeriya Curinnaia
Master of Sport,
Experienced Coach
Check out these reviews.
Testimonials
Pros about SONR.

SONR really helps working with advanced level and distance swimmers. It’s good for private lessons and swimming sets.
I recommend this product.

Konstantin Petrov
Olympic Bronze Medalist
World Class Coach

SONR is compact and easy to operate. The sound is clear and it works at a great distance. I want to purchase SONR as early as possible, so I wouldn’t have to raise my voice in a noisy pool anymore.

Arkadiy Mishchenko
Professional Technical Coach,
Ukrainian National Team

I love the small size, sleek shape and the design of the device. It it comfortable, unnoticeable under the cap and doesn’t add resistance while swimming.

Vladimir Curinnoi
Professional Swimmer,
WSI Water Safety Instructor

I would recommend this product to professional swimmers and their coaches who are enthusiastic and eager to improve results at a faster rate. Thanks for a wonderful invention, SONR!

Valeriya Curinnaia
Master of Sport,
Experienced Coach
Testimonials
Pros about SONR.

SONR really helps working with advanced level and distance swimmers. It’s good for private lessons and swimming sets. I recommend this product.

Konstantin Petrov
Olympic Bronze Medalist
World Class Coach

SONR is compact and easy to operate. The sound is clear and it works at a great distance. I want to purchase SONR as early as possible, so I wouldn’t have to raise my voice in a noisy pool anymore.

Arkadiy Mishchenko
Professional Technical Coach,
Ukrainian National Team

I love the small size, sleek shape and the design of the device. It it comfortable, unnoticeable under the cap and doesn’t add resistance while swimming.

Vladimir Curinnoi
Professional Swimmer,
WSI Water Safety Instructor

I would recommend this product to professional swimmers and their coaches who are enthusiastic and eager to improve results at a faster rate. Thanks for a wonderful invention, SONR!

Valeriya Curinnaia
Master of Sport,
Experienced Coach
Get your SONR sooner.
Pre-order now for an exclusive early bird price
$149
$199
25% OFF
Shipping starts from 20th July, 2021