Skip to content
54

4g plugs

Worth a look

Shows a fragmented shelf (top 5 take 8% of clicks), but a small market ($57K/yr) keeps it on the watch list.

Market size 14Growth 18Conversion 21Competition 98Returns 70Price range 64Avg price 60Brand share 97Review moat 60Quality gap 62

Competition

Incredible8%

top-5 click share — an open shelf

Brand share

Incredible28%

top-5 brand share — no brand owns this niche

Returns

Good2.2%

return rate — above 5% kills the launch gate

Price range

Good$4.22–$34.01

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Good1,100.44

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$13.22

avg listing price — sweet spot $15–$100

Conversion

Bad1.7%

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

Growth

Bad-13.7%

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

Market size

Bad$57K

$57K/yr · 260K searches

According to Flapen's Amazon United States niche tracking, 4g plugs is a $57K/yr Amazon United States market (260K searches/yr). The top 5 brands hold 28% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

4g plugs market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
$53K–$66K
units × avg price
Conversion rate
1.7%
Avg BSR
#1,061
Page quality
0%
Prime
100%
Sponsored
80%
Out of stock
1.9%
Avg brand age
58 months
Avg seller age
194 days

Competition & brand share

Clicks spread well past the top 5 (8% combined) — an open shelf where new products get seen.

Brands

85 falling

Sellers

91

Top-5 brand share

28%

Top 20: 61%

Top-5 click share

8%

Top 20: 23%

Open market

72%

  • TIANCI FBYJS5%
  • WINSENET5%
  • COOEAR5%
  • TBOSEN4%
  • BodyJ4You4%
  • Maxbott4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.7% search growth over the last 90 days.
6K4KSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top 4g plugs search terms

  • 3/4 ear gauges26K/yr
  • 11mm gauges17K/yr
  • 25mm gauges15K/yr
  • 5/8 gauges17K/yr
  • 20mm gauges17K/yr
  • 3/4 gauges15K/yr
  • 4mm gauges for ears12K/yr
  • size 2 gauges for women14K/yr
  • 5/8 plugs for ears12K/yr
  • 1/2 inch ear gauges12K/yr
All search terms

Top 4g plugs 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.

0%1%$5752%$1K3%$2K4%$2K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about 4g plugs

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

What buyers love

Quality-Overall20%

“Great variety for a great price”

Size-Overall17%

“Amazing fit”

Value For Money9%

“Great value”

Comfort-Overall7%

“Extremely comfortable”

Advertised Vs Actual Product6%

“As shown”

Color5%

“Good color variety”

Ease Of Use5%

“Easy peasy”

Stretchability/Expandability/Elasticity5%

“stretches”

Weight Light3%

“Super lightweight gauges”

Durability3%

“feel to be a durable material”

What buyers complain about

Size-Overall25%

“poor fit”

Quality-Overall7%

“Cheap garbage”

Color6%

“Colors off”

Advertised Vs Actual Product4%

“Picture is deceiving”

Durability4%

“Break easily”

Allergies3%

“Allergic Reaction”

Thickness3%

“Much thicker than my ear”

Stretchability/Expandability/Elasticity3%

“No stretch”

Material Quality2%

“Material is WAY too thin/poor quality”

Ease Of Use2%

“Not easy to use and hurts”

Top return reasons

Size-Overall66%
Wrong Dimensions10%
Advertised Vs Actual Product7%
Material Quality3%
Defective Material/Parts2%
Width2%
Color2%
Quality-Overall1%
Metal Authenticity1%
Gap/Hole1%

Common questions

Is 4g plugs profitable to sell on Amazon United States?
The niche generates $57K/yr across 390 tracked products. 1 of 134 products launched in the last 360 days are still selling. 90-day search growth is -13.7%. Flapen's verdict: Worth a look (54/100).
How competitive is the 4g plugs niche?
85 brands and 91 sellers compete. The top 5 products take 8% of clicks and top 5 brands hold 28% of demand.
What do buyers complain about in 4g plugs?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 2.2%.
When does demand for 4g plugs peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the 4g plugs niche?
Listings span $4.22–$34.01; the average listing price is $13.22 (sweet spot $15–$100). The average incumbent carries 1,100 reviews — the moat a new listing must climb.