Is usb b to usb c adapter profitable to sell on Amazon United States?

The niche generates $93K/yr across 20 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Skip it (42/100).

How competitive is the usb b to usb c adapter niche?

16 brands and 31 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in usb b to usb c adapter?

Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Charging. The return rate is 1.4%.

When does demand for usb b to usb c adapter peak?

Demand peaks in Sep; the busiest month runs 2.1× the quietest.

What does it cost to enter the usb b to usb c adapter niche?

Listings span $4.17–$10.17; the average listing price is $8.03 (sweet spot $15–$100). The average incumbent carries 27,928 reviews — the moat a new listing must climb.

usb b to usb c adapter

Skip it

Prices mostly outside the sweet spot ($4.17–$10.17) — this niche doesn't clear our bar today.

Conversion

Incredible12.5%

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

Returns

Great1.4%

return rate — above 5% kills the launch gate

Brand share

Good67%

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

Competition

Okay60%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$93K

$93K/yr · 92K searches

Avg price

Bad$8.03

avg listing price — sweet spot $15–$100

Growth

Bad-8.5%

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

Review moat

Bad27,927.6

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$4.17–$10.17

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

According to Flapen's Amazon United States niche tracking, usb b to usb c adapter is a $93K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Sep. Verdict: Skip it — 42/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

usb b to usb c adapter market data

Units sold / yr: 10K–13K; avg 250–500/product
Revenue / yr: $80K–$100K; units × avg price
Conversion rate: 12.5%
Avg BSR: #1,006
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 1.0%
Avg brand age: 39 months
Avg seller age: 205 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

27%

Syntech22%
UGREEN20%
Anker10%
QianLink8%
Pastall6%
basecolors6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.5% search growth over the last 90 days.

Peak months: Sep · busiest ÷ quietest = 2.1×

Open Trend

Top usb b to usb c adapter search terms

usb b to usb c adapter34K/yr -5.5%10.6% conv.
usb c to usb b adapter18K/yr -16.2%10.0% conv.
usb b to c adapter14K/yr -4.7%12.2% conv.
usb c to b adapter11K/yr -8.4%11.1% conv.
b to c adapter5K/yr +9.5%10.8% conv.
usb-b to usb-c adapter4K/yr -14.7%10.0% conv.
usb-c to usb-b adapter4K/yr -9.1%9.4% conv.
type b to type c adapter3K/yr -28.5%4.5% conv.

All search terms

Top usb b to usb c adapter 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★)1 product missing review or click data not plotted

All 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Syntech USB C to USB Adapter Pack of 2 USB 3.0 Female to Thunderbolt 4/3 Adapter Compatible with MacBook Pro Air 2024 Surface iPad iPhone Galaxy Notebook XPS and More Type C Devices Space Grey

Syntech$8.304.7★190,039 rev

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch

UGREEN$8.024.7★3,384 rev

Anker USB C Adapter (2 Pack) USB C to USB Adapter High-Speed Data Transfer for MacBook Pro 2020 iPad Pro 2020 Samsung Notebook 9 Dell XPS and More Type C Devices

Anker$10.174.8★23,805 rev

USB C Female to Printer Male Adapter (2-Pack) USB Type C to USB B Convert Connector Support Data Sync Compatible with Brother HP Canon Lexmark Epson Dell Xerox Samsung etc and Piano DAC (Grey)

QianLink$5.934.7★698 rev

basecolors 3-Pack USB B to USB C Printer Adapter90 Degree USB C to USB B Printer Adapter Compatible with PrintersChromebook PixelElectric Piano Synthesizers and Devices with MIDI Port. Black

basecolors$7.034.5★63 rev

Newest

by launch date

USB to USB C Adapter & USBA to USBC Adapter Combo 10-Pack Set USB Adapter Kit Compatible with MacBook Pro/Air iPhone 17 16 Pro Max/15 Plus/14 13 12 Samsung Galaxy S25/S24/S23/S22

POHFP$10.0335 rev

3mo ago

Pastall USB to USB C Adapter Combo 10 Pack USBA to USBC OTG Charger Adapter Compatible with MacBook Pro/Air iPhone 17/16/15 Pro Max iPad Samsung Galaxy S24/S23/S22(Black)

Pastall$10.0545 rev

4mo ago

Xthrotsenk 4 PCS USB B to USB C Adapter Female USB-C Adapter to USB-B Male for Charger Connections Wall Plugs Most Phone Types (Black)

Xthrotsenk$5.970 rev

5mo ago

12-Pack USB to USB C Adapter USBA Male to Type C Female Car Charger Adapter USBC Converter for iPhone 17 16 Pro Max 15 14 Plus iWatch Ultra SE 9 10 iPad Air Samsung Galaxy S25 Car Xbox Black

Pastall$9.9845 rev

7mo ago

Xthrotsenk 4 PCS USB C to B Adapter USB B to C Adapter Female-to Male Converter for Most Phone Types Car Charger Connections Wall Plugs (White)

Xthrotsenk$6.594 rev

9mo ago

What buyers say about usb b to usb c adapter

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

What buyers love

Advertised Vs Actual Product24%

“Better than expected”

Quality-Overall16%

“Excellent product”

Value For Money9%

“Decent price”

Compatibility-Overall7%

“Definitely works with CarPlay”

Ease Of Use7%

“VERY handy”

Charging6%

“Charges Fast”

Size-Overall5%

“Perfect travel size”

Connectivity-Overall4%

“Good connection”

Socket/Port/Plug4%

“Helpful connectors”

Portability3%

“Handy adapters”

What buyers complain about

Functionality-Overall13%

“Slow”

Compatibility-Overall12%

“Dont pair with cable”

Charging11%

“Wont charge”

Size-Overall9%

“Fit was very loose”

Connectivity-Overall8%

“Won't connect”

Quality-Overall7%

“Cheaply made”

Durability6%

“Broke quickly”

Socket/Port/Plug3%

“Broke in half inside USB A port”

Data Transfer Speed2%

“does not transfer data”

Value For Money2%

“pricing jumped ridiculously”

Top return reasons

Compatibility-Overall41%

Size-Overall12%

Functionality-Overall11%

Connectivity-Overall11%