Is wireless tens unit profitable to sell on Amazon United States?

The niche generates $1.5M/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +15.5%. Flapen's verdict: Skip it (49/100).

How competitive is the wireless tens unit niche?

9 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in wireless tens unit?

Top complaints mined from reviews: Adhesion/Stickiness, Durability, Functionality-Overall. The return rate is 3.8%.

When does demand for wireless tens unit peak?

Demand peaks in May; the busiest month runs 1.5× the quietest.

What does it cost to enter the wireless tens unit niche?

Listings span $19.36–$198.01; the average listing price is $65.71 (sweet spot $15–$100). The average incumbent carries 667 reviews — the moat a new listing must climb.

wireless tens unit

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Market size

Great$1.5M

$1.5M/yr · 1.0M searches

Avg price

Great$65.71

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good666.71

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$19.36–$198.01

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

Growth

Okay+15.5%

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

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Conversion

Okay2.3%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, wireless tens unit is a $1.5M/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 94% of demand. Demand peaks in May. Verdict: Skip it — 49/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

wireless tens unit market data

Units sold / yr: 25K–30K; avg 1,000–1,250/product
Revenue / yr: $1.6M–$2.0M; units × avg price
Conversion rate: 2.3%
Avg BSR: #145
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 5.5%
Avg brand age: 39 months
Avg seller age: 155 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Comfytemp40%
MASTOGO21%
KingPavonini15%
AUVON15%
Chirp2%
Neocarbon2%
Open — no brand owns it (3 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.5% search growth over the last 90 days.

Peak months: May · busiest ÷ quietest = 1.5×

Open Trend

Top wireless tens unit search terms

wireless tens unit230K/yr +16.0%2.8% conv.
firefly recovery device for travel113K/yr +60.2%1.0% conv.
enso pain relief device74K/yr +19.5%1.2% conv.
firefly recovery device175K/yr -29.1%0.5% conv.
tens unit wireless62K/yr +13.0%3.1% conv.
wireless tens unit muscle stimulator71K/yr +27.1%2.9% conv.
wireless tens45K/yr +30.9%2.5% conv.
firefly recovery34K/yr +39.7%0.5% conv.
wireless muscle stimulator24K/yr +53.1%2.9% conv.
hinge health enso device18K/yr +5.4%1.3% conv.

All search terms

Top wireless tens unit 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Comfytemp Wireless TENS Unit Machine for Pain Relief FSA Eligible TENS Unit Muscle Stimulator with 2 Sets 30 Modes HSA TENS Device for Back Rechargeable Portable with APP Control Gift for Mom Dad

Comfytemp$36.324.3★1,219 rev

MASTOGO Wireless TENS Unit Back Pain Relief Massager- Muscle Stimulator Machine - Wireless TENS Unit Muscle Stimulator- tens Unit

MASTOGO$49.964.4★1,339 rev

AUVON Wireless 24 Modes TENS Unit Muscle Stimulator for Pain Relief 6 Pads

AUVON$41.764.4★575 rev

KingPavonini Wireless TENS Unit Muscle Stimulator for Pain Relief Portable Rechargeable TENS EMS Machine LED Screen Remote Dual Channel 6 Modes 16 Intensity Massager Charging Case (Blue)

KingPavonini$38.944.3★906 rev

KingPavonini Wireless TENS Unit Muscle Stimulator for Pain Relief Therapy 2 Units Dual-Channel TENS Machine 30 Intensities Pocket-Sized TENS Device for Sciatica Back Pain Charging Case Model U13

KingPavonini$43.484.2★153 rev

Newest

by launch date

Comfytemp Wireless TENS Unit Muscle Stimulator for Pain Relief Portable Rechargeable TENS Machine with Remote EMS Muscle Stimulator with 30 Modes & 2 Sets Pulse Massager for Back Sciatica Shoulder

Comfytemp$48.5534 rev

1mo ago

Wireless TENS Unit Two Portable TENS Unit Muscle Stimulators for Pain Relief Featuring 6 TENS Modes and 6 EMS Modes with a Stylish PU Carrying Case and Can be Controlled Via an APP.

MASTOGO$57.9932 rev

7mo ago

KingPavonini Wireless TENS Unit Muscle Stimulator for Pain Relief Therapy 2 Units Dual-Channel TENS Machine 30 Intensities Pocket-Sized TENS Device for Sciatica Back Pain Charging Case Model U13

KingPavonini$43.48153 rev

8mo ago

Vive Wireless Muscle Stimulator Wireless Tens Unit for Pain Relief Therapy and Muscle Recovery - Portable Cordless TENS & EMS Machine with 2 Electrode Pads LED Display & Adjustable Intensities

Vive$19.3636 rev

11mo ago

AUVON Wireless 24 Modes TENS Unit Muscle Stimulator for Pain Relief 6 Pads

AUVON$41.76575 rev

1y ago

What buyers say about wireless tens unit

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

What buyers love

Ease Of Use12%

“Easy to operate”

Quality-Overall9%

“Excellent product”

Efficiency8%

“it being wireless does work very good”

Value For Money7%

“very affordable”

Charging5%

“easy charging”

Muscle Pain Relief5%

“Muscle relaxer”

Battery Life4%

“Battery last forever”

Portability4%

“Compact and portable”

Connectivity-Overall4%

“have had no problem since connecting”

Strength4%

“This is a very powerful tool”

What buyers complain about

Adhesion/Stickiness12%

“it didn't stick”

Durability7%

“Not sure of the durability yet”

Functionality-Overall7%

“Did not work”

Charging6%

“Stops charging”

Pain Relief-Overall6%

“No pain relief”

Connectivity-Overall5%

“Wont stay connected”

Quality-Overall3%

“over price for the quality”

Battery Life3%

“Bad battery life”

Value For Money3%

“NOT WORTH IT”

Strength3%

“Not strong enough”

Top return reasons

Functionality-Overall22%

Adhesion/Stickiness9%

Charging8%

Advertised Vs Actual Product7%

Connectivity-Overall6%

Joint Pain5%

Size-Overall5%

Value For Money4%