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50

emf protection necklace

Worth a look

Shows a sweet-spot price point ($48.10 avg), but soft demand (-36.6% this quarter) keeps it on the watch list.

Market size 9Growth 7Conversion 8Competition 87Returns 64Price range 49Avg price 94Brand share 90Review moat 69Quality gap 78

Avg price

Great$48.10

avg listing price — sweet spot $15–$100

Brand share

Great45%

top-5 brand share — no brand owns this niche

Competition

Great28%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good744.38

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.5%

return rate — above 6% kills the launch gate

Price range

Okay$4.92–$179.95

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

Market size

Bad$36K

$36K/yr · 126K searches

Conversion

Bad0.6%

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

Growth

Bad-36.6%

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

Competition

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

41 rising

Sellers

44

Top-5 brand share

45%

Open market

50%

  • EMF Harmony14%
  • MagnetRX10%
  • 388%
  • Karelian Heritage7%
  • Q-Link6%
  • EMF Protection5%

Product shelf

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

0%2%$7274%$1K6%$2K8%$3K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 69 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.6% search growth over the last 90 days.
8K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Oct, Dec · busiest ÷ quietest = 2.7×

Reviews

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

What buyers love

Quality-Overall17%

“This bracelet is great quality”

Size-Overall10%

“The ring fits great”

Value For Money8%

“Great Deal”

Advertised Vs Actual Product6%

“As advertised”

Metal Authenticity6%

“Very nice quality silver necklace”

Color4%

“I have three colors from this brand”

Ease Of Use4%

“Ease of wear”

Chain/Key Quality4%

“Nice braided chain”

Design-Overall3%

“Lovely design”

Adjustability/Rotatability/Reclining3%

“Easy to adjust”

What buyers complain about

Functionality-Overall12%

“Did not work”

Size-Overall11%

“Too big”

Color8%

“A little darker than I expected”

Durability8%

“Breaks easily”

Quality-Overall6%

“Cheaply product”

Adhesion/Stickiness5%

“The adhesive is weak”

Wrist Fit5%

“Is too big for my wrist though”

Metal Authenticity4%

“Fake copper”

Value For Money3%

“so I don't know how they can sell it so cheap”

Thickness3%

“I couldn't see how thick this medal was”

Top return reasons

Size-Overall26%
Wrist Fit17%
Functionality-Overall9%
Advertised Vs Actual Product8%
Color4%
Adhesion/Stickiness3%
Width3%
Metal Authenticity3%
Comfort-Overall3%
Defective Material/Parts3%