Is underwater earbuds for swimming profitable to sell on Amazon United States?

The niche generates $109K/yr across 36 tracked products. 12 of 15 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Worth a look (52/100).

How competitive is the underwater earbuds for swimming niche?

23 brands and 50 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in underwater earbuds for swimming?

Top complaints mined from reviews: Durability, Charging, Audio Quality. The return rate is 3.3%.

When does demand for underwater earbuds for swimming peak?

Demand peaks in Aug–Sep; the busiest month runs 11.2× the quietest.

What does it cost to enter the underwater earbuds for swimming niche?

Listings span $8.71–$221.79; the average listing price is $69.26 (sweet spot $15–$100). The average incumbent carries 5,746 reviews — the moat a new listing must climb.

underwater earbuds for swimming

Worth a look

Shows beatable incumbent ratings (4.1★), but a deep review moat (5,746 avg reviews) keeps it on the watch list.

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great$69.26

avg listing price — sweet spot $15–$100

Competition

Good42%

top-5 click share — leaders hold, buyers still browse

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Growth

Okay+15.8%

90-day search growth — must beat 0% to launch

Price range

Okay$8.71–$221.79

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay2.5%

search→purchase rate — share of searches ending in a sale

Market size

Okay$109K

$109K/yr · 62K searches

Review moat

Bad5,745.89

avg incumbent reviews — the moat a new listing must climb

Signals High Price

According to Flapen's Amazon United States niche tracking, underwater earbuds for swimming is a $109K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 52/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

underwater earbuds for swimming market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $87K–$104K; units × avg price
Conversion rate: 2.5%
Avg BSR: #489
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 11.0%
Avg brand age: 26 months
Avg seller age: 182 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

Top-5 brand share

67%

Top 20: 96%

Top-5 click share

42%

Top 20: 83%

Open market

29%

mojawa36%
PSIER14%
Dnniakm7%
SHOKZ6%
Roujune5%
JOYWISE4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.8% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 11.2×

Open Trend

Top underwater earbuds for swimming search terms

underwater earbuds for swimming25K/yr +38.5%1.5% conv.
lap swimming earbuds7K/yr -11.8%1.0% conv.
waterproof swimming earphones5K/yr +1.5%2.8% conv.
mojawa run plus8K/yr -13.0%1.5% conv.
mojawa bone conduction headphones6K/yr +35.3%2.6% conv.
mojawa6K/yr +2.6%1.5% conv.
ear buds for swimming adults4K/yr +39.2%4.9% conv.

All search terms

Top underwater earbuds for swimming products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

mojawa Run Plus Bone Conduction Headphones IP68 Waterproof 32GB MP3

mojawa$112.333.9★1,339 rev

PSIER Bone Conduction Headphones IPX8 Waterproof Swimming Headphones with MP3 Mode 32GB Memory Open Ear Headphones with AI Music Generation 8 Hours Playtime Bluetooth 6.0 for Running and Fitness

PSIER$52.094.3★2,657 rev

mojawa Run Plus Bone Conduction Swimming Headphones IP68 Waterproof

mojawa$127.234.3★45 rev

Roujune Bone Conduction Headphones IPX8 Waterproof Swimming Headphones Open Ear Headphones with MP3 Mode 32GB Memory 8H Playtime Bluetooth 5.4 Ear Buds Secure Fit for Running and Fitness (Gray)

Roujune$36.543.9★157 rev

SHOKZ OpenSwim Pro - Open-Ear Bluetooth & MP3 Bone Conduction Sport Headphones Swimming Headphones IP68 Waterproof Grey

SHOKZ$162.054.3★3,149 rev

Newest

by launch date

CXK Bone Conduction Headphones IPX8 Waterproof Swimming Headphones Bluetooth 6.0 Open Ear Headphones with Built-in Memory MP3 Mode 12H Playtime Underwater Wireless Earbuds Secure Fit for Sports

CXK$92.09116 rev

2mo ago

VLOP Bone Conduction Headphones for Swimming - Open-Ear Wireless Sport Earbuds with Hybrid Bone & Air Conduction Built-in MP3 Storage IPX8 Waterproof Bluetooth Running Headphones (Midnight Black)

VLOP$55.1530 rev

3mo ago

KESIEME Swimming Headphones IPX8 Waterproof Underwater Swimming Headphone Bluetooth 5.4 Bone Conduction Earbuds Built-in 32G Memory Open Ear Sport Earphones for Running Cycling

KESIEME$35.301,661 rev

4mo ago

ANSTEN Swimming Headphones Bluetooth 6.0 Bone Conduction Headphones IPX8 Waterproof Earbuds with MP3 Mode 8GB Memory Open Ear Earphones Underwater Headphones for Swimming Running Surfing Cycling

ANSTEN$36.51166 rev

6mo ago

mojawa Run Plus Bone Conduction Swimming Headphones IP68 Waterproof

mojawa$127.2345 rev

6mo ago

What buyers say about underwater earbuds for swimming

What buyers praise and complain about, mined from review topics.

What buyers love

Audio Quality19%

“Sound is decent”

Value For Money12%

“cheap price”

Quality-Overall10%

“the quality of the hardware is good”

Comfort-Overall5%

“It is comfortable around the ears”

Battery Life5%

“Great battery”

Size-Overall5%

“Comfortable fit”

Charging4%

“Charges fast”

Ease Of Use3%

“Easy peasy”

Connectivity-Overall3%

“connects quickly”

Water Resistance3%

“Completely water proof”

What buyers complain about

Durability10%

“broke after one use”

Charging9%

“Stopped charging”

Audio Quality8%

“Sound is horrible”

Connectivity-Overall6%

“Does not stay connected”

Quality-Overall6%

“Nothing about it is low quality”

Battery Life5%

“Bad battery life”

Size-Overall4%

“Doesn't fit”

Functionality-Overall4%

“Works poorly”

Noise Level3%

“Not very loud”

Audio Volume3%

“Poor volume control”

Top return reasons

Size-Overall32%

Audio Quality13%

Connectivity-Overall8%

Functionality-Overall7%

Charging6%

Value For Money5%

Comfort-Overall4%

Compatibility-Overall3%

Advertised Vs Actual Product3%

Audio Volume2%

Common questions

Is underwater earbuds for swimming profitable to sell on Amazon United States?: The niche generates $109K/yr across 36 tracked products. 12 of 15 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Worth a look (52/100).
How competitive is the underwater earbuds for swimming niche?: 23 brands and 50 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in underwater earbuds for swimming?: Top complaints mined from reviews: Durability, Charging, Audio Quality. The return rate is 3.3%.
When does demand for underwater earbuds for swimming peak?: Demand peaks in Aug–Sep; the busiest month runs 11.2× the quietest.
What does it cost to enter the underwater earbuds for swimming niche?: Listings span $8.71–$221.79; the average listing price is $69.26 (sweet spot $15–$100). The average incumbent carries 5,746 reviews — the moat a new listing must climb.