How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a wired audio cable made specifically for Razer's wireless gaming headsets, choose LZYDD 3.5mm; if you need a USB-C to 3.5mm adapter to plug ordinary headphones into a modern phone or tablet, choose aginize 2. Those are two genuinely different jobs, and picking the wrong one means the product simply won't connect to your gear. Let me break down what each one actually is, who it fits, and which one I'd put in my own bag.
• LZYDD 3.5mm — biggest strength: a 130 cm male-to-male aux cable with a 3-pin connector, sized and aimed at Razer BlackShark V2 Pro Wireless, Barracuda X, Nari Wireless and Nari Ultimate headsets.
• LZYDD 3.5mm — biggest trade-off: it's a single-purpose replacement cable. If your headphones aren't on that Razer list, or you need USB-C, it does nothing for you.
• aginize 2 — biggest strength: a two-pack of USB-C to 3.5mm adapters in white, built to give a 3.5mm headphone jack back to USB-C phones, tablets and other USB-C audio devices.
• aginize 2 — biggest trade-off: it's a dongle, not a cable. It won't replace a broken headset cable, and it only helps devices that actually have a USB-C port.
• Pick LZYDD 3.5mm if you own one of the listed Razer headsets and want a spare or replacement wired connection.
• Pick aginize 2 if you've got wired headphones you love and a phone or tablet that dropped the headphone jack.
The LZYDD 3.5mm is a 130 cm round aux cable with a male-to-male, 3-pin connector. That combination tells you a lot. Male-to-male means both ends plug in — one into your headset, one into a controller, laptop, phone or amp. The 3-pin layout is the standard stereo arrangement, so this is an audio-path cable, not something you'd use for a mic-plus-headphone split. The 130 cm length is the practical part: long enough to reach from your head to a controller in your hands or a laptop on a desk, short enough that it isn't looping around your chair.
What it's clearly built for is Razer's wireless gaming line. The product is named around the BlackShark V2 Pro Wireless, the Barracuda X, the Nari Wireless and the Nari Ultimate Wireless 7.1. These are headsets that run wirelessly most of the time but still accept a 3.5mm wired connection — for low-latency play, for when the battery is done, or for plugging into a device with no wireless support. When the original cable gets lost in a bag or chewed by a pet, this is the kind of direct replacement you look for.
Who should buy it: someone who already owns one of those Razer headsets and wants a spare cable to keep in a travel case or at a second setup. The 3-pin aux design and the 1-volt maximum rating point to a straightforward analog audio run — nothing exotic, just a clean signal path.
Who should skip it: anyone whose headphones aren't on that compatibility list, anyone who needs USB-C on one end, and anyone hunting for a headset with an inline mic. This is a cable, and it behaves like one. It won't add features your headset doesn't already have. If you're unsure whether your model is covered, match your headset name against the list before buying — that's the whole ballgame here.
The aginize 2 is a different animal entirely. It's a two-pack of USB-C to 3.5mm audio adapters, finished in white, with a compact body measuring roughly 0.39 x 0.39 x 0.39 inches. In plain terms: a tiny dongle you plug into a USB-C port, which then gives you a standard 3.5mm headphone jack on the other end. No plug, no battery, no software — it's a passive pass-through for analog audio.
The compatibility list is broad and current: iPhone 17, 16 and 15 Pro Max and Plus models, iPad, and Galaxy S26, S25, S24 and S23, plus "more USB C audio devices" per the manufacturer's own description. If you've got a wired pair of headphones, earbuds or an aux cord for a car stereo, and your phone or tablet only has USB-C, this is the bridge. The connector type is listed as USB Type C, and the compatible device category is simply "Headphone" — which is exactly the point. It exists to serve the headphones you already own.
Who should buy it: anyone who moved to a jackless phone and refuses to give up their wired headphones. The two-pack matters more than it sounds — one can live permanently in a bag or car, the other stays at your desk, so you're never hunting for the single dongle. The white color is easy to spot in a dark bag, which is a small thing that genuinely helps.
Who should skip it: people who need a replacement cable for a gaming headset (that's LZYDD's territory), and anyone whose devices still have a real 3.5mm jack — you don't need an adapter for a port you already have. Also skip it if you're expecting a DAC or an amp. The data sheet lists no battery and no plug type, which confirms it's a simple passive adapter, not a powered audio device. It converts the connection; it doesn't upgrade the sound.
Side-by-Side: Which Should You Choose?
• Best for replacing a Razer headset cable → LZYDD 3.5mm. The 130 cm male-to-male 3-pin aux cable is aimed squarely at BlackShark V2 Pro Wireless, Barracuda X, Nari Wireless and Nari Ultimate.
• Best for adding a headphone jack to a USB-C phone → aginize 2. iPhone 15/16/17 and Galaxy S23–S26 owners get their 3.5mm port back.
• Best for a gaming desk setup → LZYDD 3.5mm. A 130 cm cable reaches a controller or laptop without strain; a stubby dongle can't do that job.
• Best for travel with wired earbuds → aginize 2. At under half an inch per unit, two of these take up less space than a single cable.
• Best for wired-only, no-adapter devices → LZYDD 3.5mm. If both your headset and your source have 3.5mm jacks, a cable is all you need.
• Best for mixed-device households → aginize 2. One adapter covers phones, tablets and other USB-C audio gear; LZYDD covers only the named Razer headsets.
• Worst mismatch to avoid → buying LZYDD for a USB-C phone, or buying aginize 2 to fix a broken gaming headset cable. Neither crosses over.
In my opinion, most people searching this comparison should buy the aginize 2. Here's my reasoning: the USB-C to 3.5mm problem hits far more people, because jackless phones and tablets are now the norm, and a two-pack covers more of your daily life for the same single purchase. The LZYDD 3.5mm is the better buy only in one specific case — you own a listed Razer headset and need a wired connection or a spare cable. If that's you, buy it without hesitation. If it isn't, the aginize 2 is the one I'd choose. Check the current price on Amazon for whichever fits your gear before deciding.
It's designed around Razer's BlackShark V2 Pro Wireless, Barracuda X, Nari Wireless and Nari Ultimate Wireless 7.1. Any device with a matching 3.5mm male-to-male, 3-pin aux connection can physically use it, but the manufacturer lists only those Razer models, so match your headset to that list first.
Will the aginize 2 work with my iPhone or Galaxy?
The manufacturer lists iPhone 17, 16 and 15 Pro Max and Plus, iPad, and Galaxy S26, S25, S24 and S23, plus other USB-C audio devices. If your phone has a USB-C port and you're plugging in standard 3.5mm headphones, that's the intended use.
They solve different problems, so value depends on your gear. The aginize 2 gives you two adapters for phone and tablet use; the LZYDD 3.5mm gives you one 130 cm cable for a specific headset. Compare the current prices on Amazon for your exact need rather than across the two.
Only if your life genuinely spans both situations — a Razer gaming headset at your desk and wired headphones on a USB-C phone. Otherwise, one of them covers your setup completely, and buying the other would just be a spare you never plug in.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: MOBOREST 3.5mm vs MCSPER 2.5mm, DUKABEL Headphone Splitter vs HAOISH 3.5mm, LOBKIN 5.4 vs Maeline 3.5mm: Adjustable Headphones