3.5mm headphones
Worth a lookShows beatable incumbent ratings (4.0★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Brand share
Great47%top-5 brand share — no brand owns this niche
Returns
Great1.5%return rate — above 5% kills the launch gate
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Price range
Good£2.61–£37.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£182K£182K/yr · 271K searches
Avg price
Okay£10.05avg listing price — sweet spot $15–$100
Growth
Bad-5.1%90-day search growth — must beat 0% to launch
Review moat
Bad10,173.77avg incumbent reviews — the moat a new listing must climb