How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-29 · 7 min read · Independent comparison
• LUDOS OMNITONE USB C — biggest strength: it's a finished product, not an accessory. USB-C plug, in-ear earpieces, touch/button controls, sound isolation and a protective case are all included, and the warranty runs 5 years.
• LUDOS OMNITONE USB C — biggest trade-off: it only works with USB-C devices. If your phone still uses a Lightning port, it simply won't connect without another adapter.
• Seulliya MFi Certified iPhone — biggest strength: it's an Apple MFi Certified Lightning-to-3.5mm cable with a built-in certified chip, so it turns an older iPhone into something that can drive any standard 3.5mm headphones, aux input or speaker.
• Seulliya MFi Certified iPhone — biggest trade-off: it's a cable only. There are no earpieces in the box, and it doesn't support USB-C iPads or AirPods Max.
• Buy LUDOS OMNITONE USB C if you have a USB-C iPhone (15/16/17), Android phone or USB-C laptop and want one pair of wired earbuds that just works.
• Buy Seulliya MFi Certified iPhone if you're on iPhone 14 or older with a Lightning port and want to reuse headphones or a car stereo you already own.
The LUDOS OMNITONE USB C is the pick for anyone who wants to stop juggling adapters. It's a wired in-ear headphone with a USB Type C jack, so it plugs directly into iPhone 17, 17 Pro, 17 Pro Max, 17 Air, iPhone 16, 16 Plus, 16e, 16 Pro, 16 Pro Max, iPhone 15, 15 Plus, 15 Pro and 15 Pro Max — no dongle required. That same plug also fits a long list of Samsung Galaxy phones (S24, S23, S22, S21 series, S20, Z Flip and Fold families), Google Pixel 10, 9, 8, 7 and 6 models, Motorola Edge 2021, iPad Pro and iPad Mini 6th Gen, the 10.9" iPad, MacBook Pro 14"/16", MacBook Air M1, Dell XPS 13 and Microsoft Surface Laptop 4. If you own more than one of those devices, this is the one pair that travels between them.
Who should skip it? Anyone still on a Lightning iPhone (14 and earlier) or an older iPad with a Lightning port. There's no Lightning option here, and no 3.5mm jack either, so it's the wrong tool for those devices. If you specifically want to keep your existing over-ear headphones, this isn't a converter — it's a replacement. The 5-year warranty and 24/7 support are the reassuring part if you do commit.
Seulliya MFi Certified iPhone: Who It's For
The Seulliya cable solves a completely different problem. It's a Lightning-to-1/8 inch (3.5mm) male aux stereo audio cable, 3.3ft long, built around a genuine Apple MFi Certified chip. It's for the person whose iPhone has a Lightning port — iPhone 14, 14 Pro, 14 Plus, 13, 13 Mini, 13 Pro, 13 Pro Max, 12 series, SE 2020, 11 series, X, XR, XS, XS Max, 8, 8 Plus, 7, 7 Plus, 6, 6 Plus, 6s, 6s Plus — and who wants to plug into something with a normal headphone jack.
The use cases are concrete. Connect it to your car stereo's aux-in and play music through the car system. Connect it to a home stereo, a portable speaker, a Hi-Fi, computer audio, or a pair of wired headphones you already like. Because of the MFi chip and the built-in DAC (Realtek), Seulliya states it supports Hi-Res audio up to 24bit/96kHz with stable, lossless-feeling signal transmission, and the 24K gold-plated contacts are there to keep the connection clean. It's plug and play — no driver, no external power. The TPE jacket is rated at a 15,000+ bend lifespan, which matters if the cable lives in a pocket or a car door.
Who should skip it? Anyone with a USB-C iPhone or USB-C iPad. Seulliya explicitly notes it doesn't support iPads or iPad Pros with a USB-C port, and it doesn't support AirPods Max because those need bidirectional transmission. Also skip it if you were hoping for actual earpieces — this is a cable, and you supply the headphones. And if you've already moved to an iPhone 15 or newer, this is the wrong connector entirely.
Side-by-Side: Which Should You Choose?
• Best for a modern iPhone → LUDOS OMNITONE USB C. Native USB-C into iPhone 15, 16 and 17 families, no adapter.
• Best for an older Lightning iPhone → Seulliya MFi Certified iPhone. It's the only one of the two that physically fits iPhone 14 and earlier.
• Best for "I want earbuds in the box" → LUDOS OMNITONE USB C. Earpieces, cable and a protective case are all included; the Seulliya is cable-only.
• Best for noise isolation and private listening → LUDOS OMNITONE USB C. The in-ear design is built to block background noise and stop sound leaking out.
• Best for call control → LUDOS OMNITONE USB C. It has touch control and a button for call control; the Seulliya has no inline controls described.
• Best for cross-device flexibility → LUDOS OMNITONE USB C. iPhone, Samsung, Pixel, iPad, MacBook, Dell and Surface all appear on its compatibility list.
• Best for travel and car audio → Seulliya MFi Certified iPhone. A 3.3ft lightweight cable that folds into a pocket and plugs into an aux-in port.
• Best long-term coverage → LUDOS OMNITONE USB C, which carries a 5-year warranty and 24/7 support.
• Best for pure durability of the cable itself → Seulliya MFi Certified iPhone, rated at a 15,000+ bend lifespan.
In my opinion, most people shopping this comparison should buy the LUDOS OMNITONE USB C. It's the complete solution: real earbuds, USB-C that matches current iPhones and most Android flagships, sound isolation, cable controls, a case and a 5-year warranty. I'd only steer you to the Seulliya MFi Certified iPhone if your phone is Lightning-based and you specifically want to keep using hardware you already own — your favorite wired headphones, your car's aux input, or a home stereo. Match the connector to your phone first; that single fact decides this for you. If you're unsure what the current price looks like, check it on Amazon before you commit.
how to use headphones for iphone
It depends entirely on your port. If your iPhone has USB-C (15, 16, 17), plug USB-C earbuds like the LUDOS OMNITONE straight in — no adapter needed. If your iPhone has Lightning (14 and earlier), you need a Lightning-to-3.5mm cable like the Seulliya, then plug your regular headphones into that.
how to use wired headphones for iphone 15
The iPhone 15 family uses USB-C, so the simplest route is USB-C wired earbuds — the LUDOS OMNITONE lists iPhone 15, 15 Plus, 15 Pro and 15 Pro Max as compatible. The Seulliya Lightning cable will not fit an iPhone 15, since that port is USB-C, not Lightning.
how to use wired headphones for iphone
For a Lightning iPhone, connect the Seulliya MFi Certified cable to the phone and plug your 3.5mm headphones into the other end. It's plug and play with no driver or external power. For a USB-C iPhone, use USB-C earbuds directly — that's the LUDOS OMNITONE's whole design.
how to use wired headphones for iphone 16
iPhone 16, 16 Plus, 16e, 16 Pro and 16 Pro Max all use USB-C, and the LUDOS OMNITONE USB C lists every one of them as compatible. Plug the USB-C connector into the phone and you're listening — there's no 3.5mm jack on these models, so a Lightning adapter cable isn't the right accessory.
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: Philips Over vs WAVEFUN Headphones: Over Ear Hook Earbuds, Rulbovs Earbuds vs Generic Neckband, RYNDAO Earbuds vs Xmenha True, Alitamei Noise Cancelling Headphones vs Floriogra Baby Headphones