H2o Audio Sonar Underwater Comparison - April 2026

Last Updated - April 3, 2026

Our Score

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Model

H2O Audio TRI 2 PRO Multi-Sport Waterproof Bone Conduction Open Ear Headphones, Bluetooth 5.3 for Running and Cycling, MP3 Mode for Swimming, IPX8, 8GB Memory, Playlist+ App Included for Streaming

Model

H2O Audio TRI 2 Multisport Waterproof Bone Conduction Open Ear Headphones, Bluetooth 5.3 for Running and Cycling, MP3 Mode for Swimming, 8GB Memory, 8.5-Hour Battery, Black

Model

H2O Audio Surge S+ Waterproof Sport Headphones, (Short Cord Design) – in-Ear Sweatproof Earbuds for Swimming, Running, Cycling – IPX8 Waterproof, Compatible with iPods & MP3 Players

Model

H2O Audio Stream 3 with Short Cord Bone Conduction Headphones – Waterproof MP3 Music Player & Open-Ear Bluetooth Headphones for Swimming – 8GB Memory, IPX8 Rating

Model

H2O Audio Stream 3 PRO and Surge S+ Earbuds - Underwater Streaming Music Waterproof MP3 Player for Swimming with Bluetooth and Short Cord Underwater Headphones with Superior Sound Quality (Blue)

Model

H2O Audio Interval Waterproof Swimming Headphones for Apple Watch – Bluetooth IPX8 Underwater Sports Earbuds with Bass-Amplified Surge S+, 6-Hour Playtime

Model

H2O Audio Interval Swim Headphones for Apple Watch – Waterproof IPX8 Swimming Earbuds with Bluetooth, 6-Hour Battery Life, Open-Ear Bone Conduction, and Goggle Loops – Blue

Brand

H2O Audio

Brand

H2O Audio

Brand

H2O Audio

Brand

H2O Audio

Brand

H2O Audio

Brand

H2O Audio

Brand

H2O Audio

Reviews

4 reviews

Reviews

164 reviews

Reviews

3,236 reviews

Reviews

5,504 reviews

Reviews

216 reviews

Reviews

1,788 reviews

Reviews

1,916 reviews

Features

Audio quality

8.6

Audio quality

8.4

Audio quality

8.6

Audio quality

8.1

Audio quality

7.6

Audio quality

7.9

Audio quality

7.0

Comfort

8.4

Comfort

8.1

Comfort

8.6

Comfort

7.0

Comfort

7.0

Comfort

7.7

Comfort

7.0

Tech Specs

product dimensions

5.59 x 4.45 x 2.28 inches

product dimensions

-

product dimensions

3 x 1 x 1 inches

product dimensions

3 x 1 x 1 inches

product dimensions

0.75 x 1 x 2.5 inches

product dimensions

3 x 3 x 1 inches

product dimensions

3 x 3 x 2 inches

item weight

12.3 ounces

item weight

-

item weight

1.4 ounces

item weight

4.6 ounces

item weight

3.98 ounces

item weight

1.06 ounces

item weight

1.5 ounces

batteries

1 Lithium Polymer batteries required. included

batteries

-

batteries

-

batteries

1 Lithium Polymer batteries required. included

batteries

1 Lithium Polymer batteries required. included

batteries

1 Lithium Polymer batteries required. included

batteries

1 Lithium Polymer batteries required. included

number of items

1

number of items

1

number of items

1

number of items

-

number of items

-

number of items

1

number of items

1

included components

Headphones, User Manual, Optional earplugs for swimming, Charger cable, Protective Case

included components

-

included components

Manual

included components

-

included components

-

included components

Manual

included components

Manual

material

Plastic

material

-

material

Plastic

material

-

material

-

material

Plastic

material

Plastic

water resistance level

-

water resistance level

Waterproof

water resistance level

Waterproof

water resistance level

-

water resistance level

-

water resistance level

Waterproof

water resistance level

Waterproof

control type

-

control type

Media Control

control type

Media Control

control type

-

control type

-

control type

Media Control

control type

Media Control

age range description

-

age range description

Adult

age range description

Adult

age range description

-

age range description

-

age range description

Adult

age range description

Adult

specific uses for product

-

specific uses for product

Sport

specific uses for product

Sports and Exercise

specific uses for product

-

specific uses for product

-

specific uses for product

Sports and Exercise

specific uses for product

Music and Sport

connectivity technology

Wireless

connectivity technology

Wireless

connectivity technology

-

connectivity technology

-

connectivity technology

-

connectivity technology

-

connectivity technology

Wireless

noise control

-

noise control

None

noise control

Sound Isolation

noise control

-

noise control

-

noise control

Active Noise Cancellation

noise control

-

wireless communication technology

-

wireless communication technology

-

wireless communication technology

Bluetooth

wireless communication technology

-

wireless communication technology

-

wireless communication technology

Bluetooth

wireless communication technology

Bluetooth

cable feature

-

cable feature

-

cable feature

Short Cord Perfect for Swimming

cable feature

-

cable feature

-

cable feature

Detachable

cable feature

Retractable

unit count

-

unit count

-

unit count

1.0 Count

unit count

-

unit count

-

unit count

1 Count

unit count

1 Count

Review

-

Review

-

Review

Review

Review

-

Review

Review

-

Available On

Amazon

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

Walmart

Available On

Amazon

Walmart

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you

9.8
1

H2O Audio
H2O Audio TRI 2 PRO Multi-Sport Waterproof Bone Conduction Open Ear Headphones, Bluetooth 5.3 for Running and Cycling, MP3 Mode for Swimming, IPX8, 8GB Memory, Playlist+ App Included for Streaming

8.6 audio quality

8.4 Comfort

Why we love it

Waterproof for swimming and land use.

Extended battery life ensures long playtime.

Easy controls for seamless use.
Main highlights

SMART, EASY CONTROLS: Enjoy effortless control with the TRI 2’s newly optimized button placement, designed for intuitive use even in challenging conditions. Easily adjust volume, skip tracks, or answer calls without missing a beat, providing a seamless experience for any activity, whether on land or underwater
REVOLUTIONARY DUAL-MODE PERFORMANCE: Our most advanced bone conduction technology delivers vibrant, crystal-clear audio when switching between environments. Use Bluetooth 5.3 for streaming music, podcasts, or taking calls during any land activities. For underwater adventures, switch to MP3 mode to enjoy uninterrupted playback from the built-in 8GB memory, providing clear audio up to 12 feet underwater
PLAYLIST+ CUSTOMIZATION: Record and play back any live streamed audio from any app. PLAYLIST+ technology makes an exact copy of the live streamed audio you hear which you can playback anytime even underwater
H2O AUDIO'S GO BEYOND PROMISE. H2O Audio backs their products' durability with their "Go Beyond Promise" - H2O Audio's no-questions-asked product protection for up to 1 year
EXTENDED BATTERY LIFE & MEMORY: Whether you're enjoying your favorite music from memory or live-streaming the TRI 2 has you covered. The TRI 2 delivers an average of 8.5 hours of mixed-use playtime, 9 hours of bluetooth and 6 hours of MP3 playing, ensuring it will keep up with you and go the distance. With 8GB memory you can store 2000 songs and listen up to 130 hours of music. The TRI 2 supports the following audio formats, (M4A, MP3, WMA, FLAC, and APE)
CONSUMER INSPIRED DESIGN - We took all of your feedback on our Original Tri Series and designed the Tri 2 with you in mind; featuring intuitive redesigned controls and a soft silicone finish for maximum comfort and control during any activity; The included hard shell protective case protects against knocks, impacts, bumps, drops, impacts and crushes and is equipped with an internal mesh pocket to keep your USB cable and accessories organized
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9.7
2

H2O Audio
H2O Audio TRI 2 Multisport Waterproof Bone Conduction Open Ear Headphones, Bluetooth 5.3 for Running and Cycling, MP3 Mode for Swimming, 8GB Memory, 8.5-Hour Battery, Black

8.4 audio quality

8.1 Comfort

Why we love it

Intuitive controls for easy use.

Waterproof design for versatile use.

Long battery life for extended activities.
Main highlights

SMART, EASY CONTROLS: Enjoy effortless control with the TRI 2’s newly optimized button placement, designed for intuitive use even in challenging conditions. Easily adjust volume, skip tracks, or answer calls without missing a beat, providing a seamless experience for any activity, whether on land or underwater
REVOLUTIONARY DUAL-MODE PERFORMANCE: Our most advanced bone conduction technology delivers vibrant, crystal-clear audio when switching between environments. Use Bluetooth 5.3 for streaming music, podcasts, or taking calls during any land activities. For underwater adventures, switch to MP3 mode to enjoy uninterrupted playback from the built-in 8GB memory, providing clear audio up to 12 feet underwater
H2O AUDIO'S GO BEYOND PROMISE. H2O Audio backs their products' durability with their "Go Beyond Promise" - H2O Audio's no-questions-asked product protection for up to 1 year
EXTENDED BATTERY LIFE & MEMORY: Whether you're enjoying your favorite music from memory or live-streaming the TRI 2 has you covered. The TRI 2 delivers an average of 8.5 hours of mixed-use playtime, 9 hours of bluetooth and 6 hours of MP3 playing, ensuring it will keep up with you and go the distance. With 8GB memory you can store 2000 songs and listen up to 130 hours of music. The TRI 2 supports the following audio formats, (M4A, MP3, WMA, FLAC, and APE)
CONSUMER INSPIRED DESIGN - We took all of your feedback on our Original Tri Series and designed the Tri 2 with you in mind; featuring intuitive redesigned controls and a soft silicone finish for maximum comfort and control during any activity; The included hard shell protective case protects against knocks, impacts, bumps, drops, impacts and crushes and is equipped with an internal mesh pocket to keep your USB cable and accessories organized
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On Amazon

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9.6
3

H2O Audio
H2O Audio Surge S+ Waterproof Sport Headphones, (Short Cord Design) – in-Ear Sweatproof Earbuds for Swimming, Running, Cycling – IPX8 Waterproof, Compatible with iPods & MP3 Players

8.6 audio quality

8.6 Comfort

Why we love it

Superior sound quality

Highest waterproof rating

1 Year Warranty
Main highlights

Waterproof up to 3.6 meters deep
Water and sweat resistance for longevity
Superior sound quality with extra bass
Short cable to avoid disturbances while swimming
Seals tightly to keep water out during swimming
Perfect for high-intensity swimming or relaxed pool time
Lightweight design that doesn't hinder workouts
Ideal for sports and leisure swimming
High quality and long-lasting
Ergonomic design for comfortable long swim sessions
Durable materials for long-term use
Compatible with most devices with standard audio output
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Our ranking system

At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.
While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.

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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.

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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.

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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.

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