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52

jimbo スイッチ

Worth a look

Shows a thin review moat (20 avg reviews), but pricing outside the sweet spot ($1574.76 avg) keeps it on the watch list.

Market size 76Growth 26Conversion 23Competition 82Returns 97Price range 0Avg price 0Brand share 2Review moat 99Quality gap 75

Review moat

Incredible20.06

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Competition

Great33%

top-5 click share — an open shelf

Market size

Great¥880K

¥880K/yr · 31K searches

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Okay+0.7%

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

Conversion

Bad1.8%

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

Brand share

Bad99%

top-5 brand share — brand-locked demand

Avg price

Bad¥1574.76

avg listing price — sweet spot $15–$100

Price range

Bad¥228.55–¥8882.75

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

According to Flapen's Amazon Japan niche tracking, jimbo スイッチ is a ¥880K/yr Amazon Japan market (31K searches/yr). The top 5 brands hold 99% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

jimbo スイッチ market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
¥787K–¥1.2M
units × avg price
Conversion rate
1.8%
Avg BSR
#801
Page quality
0%
Prime
72%
Sponsored
25%
Out of stock
2.3%
Avg brand age
67 months
Avg seller age
176 days

Competition & brand share

Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.

Brands

6 rising

Sellers

60

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

33%

Top 20: 79%

Open market

0%

  • 神保電器79%
  • JIMBO12%
  • MIZUNO(ミズノ)4%
  • ジンボデンキ (JIMBO)2%
  • 神保電器(Jimbo Elctric)1%
  • NKシリーズ1%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 43 weeks — +0.7% search growth over the last 90 days.
700500Spike '25Spike '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26

Top jimbo スイッチ search terms

  • jimbo スイッチ9K/yr
  • 神保電器 nkシリーズ7K/yr
  • jimbo5K/yr
  • 神保電器6K/yr
  • jimbo スイッチ カバー3K/yr
All search terms

Top jimbo スイッチ 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%3%¥26K6%¥53K9%¥79K12%¥106K110100 Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

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

What buyers say about jimbo スイッチ

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

What buyers love

組み立て/インストール19%

“簡単に取り付けられます。”

サイズ全体19%

“サイズはちょうどいいです”

デザイン全体14%

“デザイン良し”

商品の状態14%

“ここだけ新品”

使用の容易さ7%

“とても歩きやすくて、旅行には必ず持参します。”

総合品質7%

“商品は間違いないです。”

快適さ-全体7%

“水辺でも快適です。”

What buyers complain about

耐久性61%

“すぐに割れるためストックで持っています。”

Top return reasons

サイズ全体44%
19%
互換性-全体13%
不良材料/部品9%
機能全体6%
広告と実際の製品の違い6%
コネクタ/ポート/プラグ3%

Common questions

Is jimbo スイッチ profitable to sell on Amazon Japan?
The niche generates ¥880K/yr across 36 tracked products. 90-day search growth is +0.7%. Flapen's verdict: Worth a look (52/100).
How competitive is the jimbo スイッチ niche?
6 brands and 60 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in jimbo スイッチ?
Top complaints mined from reviews: 耐久性. The return rate is 0.5%.
What does it cost to enter the jimbo スイッチ niche?
Listings span ¥228.55–¥8882.75; the average listing price is ¥1574.76 (sweet spot $15–$100). The average incumbent carries 20 reviews — the moat a new listing must climb.