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 to turn a Bose QuietComfort 35 II or QC35 into a proper gaming headset with a boom mic, choose Puiixur QC35; if you need a standalone single-ear headset for calls, meetings and cross-platform chat, choose Crotrain One Ear Headset.
• Puiixur QC35 — biggest strength: it adds a unidirectional cardioid boom mic with an inline mute switch and volume control to headphones you already own, so you keep the comfort and isolation of your Bose QC35 II.
• Puiixur QC35 — biggest trade-off: it is a cable, not a complete headset. It only makes sense if you already have the compatible Bose model, and it is wired to a 4FT lead.
• Crotrain One Ear Headset — biggest strength: a complete single-ear headset with a 50mm dynamic driver and a 3-in-1 connection kit (3.5mm, Type-C and USB), so it plugs into almost anything out of the box.
• Crotrain One Ear Headset — biggest trade-off: it is a one-ear design with no noise cancellation, the earcup only fits the left ear, and Crotrain notes it will not work with older Xbox One versions.
• Buy the Puiixur QC35 if you already own Bose QC35 II / QC35 headphones and want to game or take calls with a real boom mic.
• Buy the Crotrain One Ear Headset if you want one affordable wired headset that works across PS5, Switch, PC, laptop, tablet and phone for chat, meetings and light gaming.
The Puiixur QC35 is a replacement boom microphone cable built specifically for the Bose QuietComfort 35 II and QC35. That single sentence tells you almost everything about who it is for. It is not a headset you buy to start from zero — it is an upgrade part for a headphone you already own and like. The cable runs from a 2.5mm TRS male plug on the headphone side to a 3.5mm TRRS male plug on the device side, both gold plated, with a 4FT black PVC jacket that Puiixur describes as durable and wear-resistant.
What it does best is solve a very specific, very common problem. Bose QC35 II owners love the comfort and the quiet, but the stock setup is not a gaming mic. This cable swaps in a unidirectional cardioid boom mic with a quality cover that Puiixur says helps reduce noise and shields the capsule from dust, moisture and corrosion. The boom is freely adjustable, so you can swing it toward your mouth instead of hoping your voice reaches a built-in mic. The inline module handles two jobs: a mute switch you slide up or down, and master volume adjustment at your fingertips.
The 3.5mm gold-plated plug is listed as compatible with Mac, Windows, PC, PS4, PS5, Xbox One controllers, laptops and phones, including Android. That makes it a genuinely useful part for someone who games on console with a controller, or who takes calls at a desk and wants a mute button within reach.
Who should skip it? Anyone who does not own Bose QC35 II or QC35 headphones. Without that specific headphone, this cable has nothing to plug into on one end. I would also steer away people who want a complete, self-contained headset, or who need wireless freedom — this is a wired accessory through and through. And if you want stereo audio from a single-ear solution rather than a mic upgrade for your existing cans, this is the wrong category of product.
The Crotrain One Ear Headset is the opposite kind of purchase: a complete, ready-to-use single-ear wired headset. The headline feature is connectivity. It uses a single 3.5mm jack and ships with a 3.5mm-to-Type-C cable plus a Type-C-to-USB adapter, which means it covers 3.5mm, Type-C and USB devices in one box. Crotrain lists compatibility with PS5, PS4, Xbox One and Xbox Series X/S, Nintendo Switch and Switch 2, PC, laptops, tablets, iPad, and iOS and Android phones. One caveat is spelled out plainly: it does not work with older versions of Xbox One. If you are on an early Xbox One, that matters before you buy.
The audio side is where it earns its keep. Crotrain fits a 50mm dynamic driver, and the spec sheet lists 103 dB sensitivity with a 2200 ohm impedance figure. The larger driver is aimed at sound field positioning and sensitivity, which is exactly what you want in a chat headset — voices land clearly and directional cues in games are easier to place. There is no active noise cancellation here; Crotrain lists noise control as "None."
Comfort is handled with soft protein memory foam ear pads and an adjustable headband, and the open earmuff design is deliberate: it lets you hear both your chat audio and the room around you. That is a real advantage in an office, at a front desk, or in a home where you still need to hear a doorbell or a colleague. The cable is braided, which Crotrain says makes it durable and tangle-resistant, and the mic boom is flexible for precise pickup.
Two design details matter and are easy to miss. First, the earcup and microphone side can only be worn on the left ear — the side without the mic and earcup sits above the right ear. If you strongly prefer a right-ear headset, this is not it. Second, controls are a push-button volume control on the cable, so there is no mute switch mentioned in the specs.
Who should buy it? Anyone who wants one headset for work calls, team meetings, chat and casual gaming across several devices, without buying adapters separately. Who should skip it? Buyers who need noise cancellation, stereo listening in both ears, or a right-ear fit.
• Best for existing Bose QC35 II owners → Puiixur QC35. It upgrades headphones you already trust instead of replacing them.
• Best for out-of-the-box cross-platform use → Crotrain One Ear Headset. 3.5mm, Type-C and USB are all covered in the box.
• Best for mic control → Puiixur QC35. It has a dedicated mute switch plus inline volume, while Crotrain only lists push-button volume.
• Best for all-day office and meeting use → Crotrain One Ear Headset. Memory foam pads, adjustable headband and an open-ear design that keeps you aware of your surroundings.
• Best for console gaming chat → both work, with a caveat. Puiixur lists PS4, PS5 and Xbox One controller support; Crotrain covers PS5/PS4, Switch and Xbox Series X/S but not older Xbox One versions.
• Best for a noise-suppressing boom mic → Puiixur QC35. Its unidirectional cardioid design and covered capsule are built to block background noise and protect the element.
• Best for cable length and durability → Crotrain One Ear Headset. Braided cable versus a 4FT PVC lead; braiding generally resists tangling and wear better.
• Best for left-ear-only comfort → Crotrain One Ear Headset. Just remember the mic side is left-ear only, which is a hard design limit, not a preference.
In my opinion, most people searching this comparison should buy the Crotrain One Ear Headset. It is a complete product: you unbox it, pick the right connector, and you are on a call or in a game within a minute. The 50mm driver, memory foam pads and 3-in-1 connection kit make it the more broadly useful purchase for work, chat and light gaming.
I would only recommend the Puiixur QC35 to one specific buyer: someone who already owns Bose QC35 II or QC35 headphones and wants to keep wearing them while adding a proper boom mic with a mute switch. For that person, it is the smarter buy. For everyone else, it is a part without a machine.
It is a replacement boom microphone cable with an inline mute switch and volume control. It is designed to connect to Bose QuietComfort 35 II / QC35 headphones, so you need those headphones already.
Likely yes. Crotrain includes a 3.5mm jack plus a 3.5mm-to-Type-C cable and a Type-C-to-USB adapter, and lists iOS, Android, PS5, PS4, Switch, PC and laptops. The listed exception is older Xbox One versions.
The Puiixur QC35. Its unidirectional cardioid mic and covered capsule are designed to suppress background noise in front of the mic. The Crotrain has no noise control listed at all.
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