We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-21 · 7 min read · Independent comparison
If you want to turn one USB-C port into three for wired peripherals and file transfers, choose Azddur USB C; if you need open-ear wired headphones that stay on your ears while you run, choose Jiunai Open Ear USB. These two listings look like they sit in the same aisle, but they solve completely different problems — and picking the wrong one means a product that simply can't do what you bought it for.
• Azddur USB C — biggest strength: expands a single USB-C port into three USB-C female ports for headphones, flash drives, mice and card readers, with plug-and-play OTG data transfer and 5V/1A power output.
• Azddur USB C — biggest trade-off: it is deliberately limited. No video output, no power input, no charging your laptop, no SSDs, and it cannot run two headphones at once.
• Jiunai Open Ear USB — biggest strength: a 16mm dynamic driver open-ear design with 15° adjustable over-ear hooks, an in-line mic and volume controls, plus a cord clip and zipper case for active use.
• Jiunai Open Ear USB — biggest trade-off: it is purely an audio device. It has no data or hub function, and the open-ear build prioritizes awareness and comfort over deep noise blocking.
• Who each pick is for: Azddur USB C is for tablet, laptop and phone users who need more ports; Jiunai Open Ear USB is for runners, gym-goers, commuters and students who want wired earbuds that won't fall out.
The Azddur USB C is a splitter, not a headphone. It takes one USB-C port on your device and turns it into three USB-C female ports, so you can attach a USB-C headset, a USB-C flash drive, a USB-C mouse or a card reader at the same time. The listing is careful to call this out as OTG and data transfer, which tells you the intended job: moving data and connecting wired accessories, not driving a display.
What it does best is convenience on devices that are stingy with ports. If you own a MacBook, an iPad Pro or Air, a Surface, a Galaxy Tab, a PixelBook or a Dell XPS, the port count is usually the bottleneck — one free USB-C slot and three things you want to plug in. This cable solves that without drivers or software. It also outputs 5V/1A, so it can push a slow charge to up to three phones or tablets at once, which is genuinely useful on a desk or in a travel bag. The build is a step above the usual plastic dongle: an ABS shell, 24K gold-plated connectors and a double nylon braided cable that resists stretching.
Buy it if you want more USB-C ports for wired audio, storage sticks, mice and card readers, and you like the idea of a braided cable that won't fray in a month. Skip it if you need a docking station with video, laptop charging or SSD support. This is a focused tool, and it's honest about its limits.
Jiunai Open Ear USB: Who It's For
The Jiunai Open Ear USB is a pair of wired USB-C earbuds built around an open-ear hook design. The 16mm dynamic drivers sit outside your ear canal rather than sealing it, which is the whole point: you hear your music and the world around you at the same time. For runners, cyclists and anyone working in a busy office, that awareness is a safety and comfort feature, not a compromise.
The fit is where this model earns its place. The over-ear hooks adjust through 15° so they wrap gently around your ears instead of jamming into them, and the listing stresses they stay put during high-intensity workouts, runs and commutes. A small cord clip attaches to your clothing to cut cable drag and the rustling noise that comes with it. If you've ever lost an earbud mid-stride or spent a run pushing a bud back in, that combination is exactly the fix.
Feature-wise, it's a straightforward wired headset: USB-C plug-and-play, in-line button controls with a built-in microphone, volume control, and a zipper carrying case. The materials are ABS, silicone and TPE in black, and the spec sheet lists 16 ohms impedance, a 20,000 Hz frequency response, 126 dB sensitivity and sound isolation. The listing positions it for travel and commuting, work and online meetings, and daily listening like podcasts and audiobooks — and names office workers, students, remote professionals and fitness enthusiasts as the target crowd. There's a 3-month warranty noted on the sheet.
Buy it if you want lightweight wired earbuds that stay anchored, keep you aware of traffic and coworkers, and include a mic for calls. Skip it if you need maximum isolation from a noisy plane cabin, or if you were hoping for any data or hub function — there is none here.
Side-by-Side: Which Should You Choose?
• Best for audio on the move → Jiunai Open Ear USB. Open-ear hooks and a cord clip are built for running and commuting.
• Best for hands-free awareness → Jiunai Open Ear USB. The open-ear design keeps you tuned into your surroundings.
• Best for file transfer and peripherals → Azddur USB C. Flash drives, mice and card readers are its core job.
• Best for calls and meetings → Jiunai Open Ear USB. In-line controls and a built-in mic make it a work-ready headset.
• Best for travel accessories → Jiunai Open Ear USB. The zipper case and cord clip keep it tidy in a bag.
• Best for desk setups with multiple devices → Azddur USB C. The 5V/1A output can top up several phones or tablets at once.
• Best for durability-minded buyers → Azddur USB C. The braided nylon cable and gold-plated connectors are built to take abuse.
One thing to be clear about: these are not competitors in the usual sense. If you buy the Azddur expecting headphones, you'll be disappointed — it's a splitter. If you buy the Jiunai expecting a hub, you'll be equally disappointed. The "vs" here is really about which problem you're trying to solve today.
In my opinion, most people searching these two names are actually looking for one of two very different things, so I won't pretend there's a single winner. If your device is short on ports and you want to connect wired audio, storage and accessories at once, I'd buy the Azddur USB C — it's a focused, well-built splitter and the braided cable should outlast a cheap plastic dongle. If you want earbuds that survive a run without falling out and let you hear traffic, I'd buy the Jiunai Open Ear USB instead. Decide which job you actually have, and the choice makes itself.
No. It's a USB-C splitter that expands one port into three USB-C female ports for peripherals and data transfer. It can connect a USB-C headset, but it won't run two headphones at once.
No. It's a wired audio device only — headphones with a mic and in-line controls. For file transfer or extra ports, you need something like the Azddur splitter.
No. It doesn't support power input and it doesn't pass video, and SSDs aren't supported either. It does offer 5V/1A power output for topping up phones or tablets.
The Jiunai Open Ear USB. Its 15° adjustable ear hooks and cord clip are designed to keep the buds secure and reduce cable noise during exercise, which the Azddur splitter obviously can't do.
If price matters to you on either one, check the current price on Amazon using the button on this page before you decide — both are budget-friendly categories, and the better value depends on which function you need.
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