We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-22 · 7 min read · Independent comparison
If you want a wired, work-and-study headset with a boom-style noise-cancelling microphone and a hard 94dB output cap, choose Kensington USB Hi-Fi Headphones; if you need a kid-friendly Bluetooth on-ear pair with cat-ear RGB lighting, an 85dB child volume limit and a foldable travel design, choose esonstyle Cat Ear Headphones.
• Kensington's biggest strength: a noise-cancelling microphone built for voice work, paired with 40mm dynamic drivers, a fixed 6-foot USB cord and a 94dB maximum output for safe listening.
• Kensington's biggest trade-off: it is a wired USB headset with no Bluetooth audio and on-ear foam pads, so it is tethered to a laptop, desktop or docking station and not something you wear on a walk.
• esonstyle's biggest strength: a playful space-capsule design with cat-ear RGB lighting, Bluetooth 5.4 plus a 3.5mm wired fallback, and a Child Mode that caps volume at 85dB.
• esonstyle's biggest trade-off: it is aimed at kids and teens, so the tuning and materials are built for that audience rather than for voice-critical work, and the LED lights draw on battery when left on.
• Pick Kensington if you need a durable, plug-and-play headset for calls, online classes, call-center shifts or school testing.
• Pick esonstyle if you are buying for a child or teen who wants fun-looking wireless headphones for school, travel and casual gaming.
The Kensington USB Hi-Fi Headphones with Microphone (K97601WW) is a straightforward tool. It is a wired, on-ear headset with 40mm dynamic drivers, a 20Hz–20,000Hz frequency range, 32-ohm impedance and 94dB sensitivity. That sensitivity figure matters: it lines up with the headset's safe listening limit, which caps maximum output at 94dB. In my opinion, that is the single most important spec on this sheet — it tells you Kensington designed this for long sessions where hearing protection is part of the brief.
The other headline feature is the microphone. Kensington describes it as noise-cancelling using passive resistance technology to filter ambient noise, which means it works acoustically rather than through active electronics. That is a meaningful distinction: it is a noise-cancelling mic, not active noise cancellation for your ears. The noise control on this model is listed as passive. If you assumed "noise cancelling" meant the ANC you get on premium travel headphones, this is not that — it is about making your voice clearer to whoever is on the other end.
Who should buy it? Students doing audio-based classroom testing, call-center agents, business professionals on softphone calls, and recreational gamers who want a cheap-feeling-free wired connection. The 6-foot USB cord is built for heavy use, and USB means no dongle hunting and no charging. The padded headband is designed to fit heads of all ages and the foam ear pads are meant for hours of wear. It weighs 5.28 ounces, so it is light enough to forget about.
Who should skip it? Anyone who wants wireless freedom. There is no Bluetooth audio here — the Bluetooth field on the sheet is a style attribute, not a listening feature. If you need to walk around while listening, or you want active noise cancellation for a noisy commute, this is the wrong headset. It is also black, plain and utilitarian. Nobody is buying this for the look.
The esonstyle Cat Ear Headphones (S21) are a different animal entirely, and the spec sheet says so out loud. This is an on-ear/over-ear pair aimed at kids and teens, in purple, with ABS and leather construction, oval earpieces and a space-capsule theme with RGB lighting on the cat ears. The lights can be turned on or off, and esonstyle notes that running them continuously can reduce playtime — a fair warning rather than a hidden catch.
On audio, it uses the same 40mm dynamic driver size as the Kensington, with 32-ohm impedance, a 20Hz–20,000Hz range and 40ms audio latency. That latency figure is genuinely useful for a kid's pair: 40ms is low enough that Bluetooth audio stays in sync with video and casual games, which is where cheap wireless headphones usually fall apart. The 105dB sensitivity tells you the drivers are efficient, and the built-in Child Mode caps output at 85dB — the child-safety standard esonstyle explicitly builds to. Materials are BPA- and heavy-metal-free.
Connectivity is the real selling point. Bluetooth 5.4 gives a stable connection with a stated range of 15 meters (roughly 49 feet), and there is a 3.5mm jack plus a detachable 3.5mm cable for wired use. That wired fallback matters more than it sounds: it means the headphones keep working on a Chromebook, tablet or iPad after the battery is gone, and it covers devices that do not pair well over Bluetooth. Charging is USB-C. The silent-stretch headband adjusts without tangling hair, multi-axis rotating hinges fold it flat in seconds, and it drops into a backpack without a fight.
Who should buy it? Parents buying for a child or young teen who wants headphones that look fun, work wirelessly for school learning and travel, and are safe by design. The built-in mic is fine for casual calls, gaming and online classes. Who should skip it? Adults who want a serious work headset, anyone who needs a boom microphone for voice clarity, and anyone who needs active noise cancellation. The noise control here is passive, like the Kensington.
• Best for voice and mic clarity → Kensington USB Hi-Fi Headphones. The noise-cancelling microphone with passive resistance filtering is the whole point of this model.
• Best for safe listening limits → a tie, with a nuance. Kensington caps output at 94dB for adult ears; esonstyle caps at 85dB in Child Mode, which is the stricter, kid-appropriate number.
• Best for wireless freedom → esonstyle Cat Ear Headphones. Bluetooth 5.4 with a 15-meter range versus a fixed 6-foot USB cord.
• Best for travel and storage → esonstyle Cat Ear Headphones. Multi-axis rotating hinges fold it flat; Kensington is a fixed wired headset.
• Best for plug-and-play reliability → Kensington USB Hi-Fi Headphones. USB power and audio in one cable, no charging, no pairing, no battery anxiety.
• Best for kids and teens → esonstyle Cat Ear Headphones. Child Mode, BPA- and heavy-metal-free materials, and a design built to be worn by children.
• Best for long work or study sessions → Kensington USB Hi-Fi Headphones. Padded headband, foam ear pads and a light 5.28-ounce build.
• Best for casual gaming and streaming → esonstyle Cat Ear Headphones. 40ms latency keeps audio in sync, and the RGB lighting is the fun part.
If I were buying for myself — for calls, classes or a desk setup — I would buy the Kensington USB Hi-Fi Headphones. The noise-cancelling microphone, the 94dB cap, the 6-foot cord and the padded on-ear design all point at the same job, and they do it without charging or pairing. If I were buying for a child or young teen, I would buy the esonstyle Cat Ear Headphones instead: the 85dB Child Mode, the Bluetooth 5.4 plus 3.5mm fallback, and the foldable frame make it the more sensible pick for that person. Check the current price on Amazon before you commit, since that is the one thing a spec sheet cannot tell you.
FAQ
what is the best noise cancelling over ear headphones
what are the best noise cancelling over ear headphones
For a desk, classroom or call-center setup where you want your voice to come through clearly, the Kensington USB Hi-Fi Headphones are the more purposeful pick, thanks to their noise-cancelling microphone and 94dB output limit. For a child, the esonstyle Cat Ear Headphones make more sense, with an 85dB Child Mode and Bluetooth 5.4. Match the tool to the job rather than chasing one universal winner.
how to replace ear pads on bose noise cancelling headphones
I cannot walk you through Bose-specific pad replacement, because neither product here is a Bose model and the data sheets do not cover it. What I can tell you is that both headsets in this comparison use fixed foam or leather cushions rather than user-replaceable pads, so pad wear is a longevity factor to weigh. Kensington lists a 1-year warranty; esonstyle lists 24 months.
what are the best noise cancelling in ear headphones
Neither Kensington USB Hi-Fi Headphones nor esonstyle Cat Ear Headphones is an in-ear model — both are on-ear designs with 40mm dynamic drivers. If in-ear is a hard requirement, this comparison will not help you. If you are flexible, pick based on connection: wired USB for work and study, Bluetooth 5.4 with a 3.5mm fallback for kids and travel.
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