We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-24 · 7 min read · Independent comparison
If you want the longer warranty, metal build and the more premium-feeling everyday pair for a modern iPhone, choose LUDOS OMNITONE USB C; if you need a lightweight, semi in-ear USB-C earbud with in-line controls and a Hi-Res DAC chip aimed at workouts and long listening sessions, choose ASKUBSKU USB C Headphones.
• LUDOS OMNITONE USB C — biggest strength: a metal enclosure, a rounded-tip in-ear fit and a 5-year warranty, plus a bundled protective case. That combination points to a pair built to survive daily life.
• LUDOS OMNITONE USB C — biggest trade-off: it's a fully sealed in-ear design, so if you dislike tips that sit deep in the ear canal, the fit may take getting used to.
• ASKUBSKU USB C Headphones — biggest strength: a 45° semi in-ear shape, a Hi-Res and DAC decoder chip, and in-line buttons for play/pause, track skip and volume, all on a 3.9-foot anti-winding oxygen-free copper cable.
• ASKUBSKU USB C Headphones — biggest trade-off: a plastic shell and a narrower stated frequency range (20Hz–20,000Hz), and it's positioned as a lighter, more casual build.
• Who each pick is for: the LUDOS OMNITONE is for someone who wants one dependable wired USB-C pair for iPhone, iPad and laptop use; the ASKUBSKU is for someone who wants a light, sport-friendly semi in-ear set with on-cable controls for running, gym sessions and commutes.
The LUDOS OMNITONE USB C is a wired USB Type-C in-ear headphone sold as a single set that includes the earphones, the cable and a protective case. The headline spec for iPhone owners is the compatibility list: it covers iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max and iPhone 17 Air, the iPhone 16 line including 16e, and the iPhone 15 family, plus iPad Pro (2021/2020/2018), iPad Mini 6th Gen, the 10.9-inch iPad 10th Gen, MacBook Pro 14 and 16, and MacBook Air (M1). Samsung, Google Pixel, Motorola Edge 2021, Dell XPS 13 and Microsoft Surface Laptop 4 are also named. In practice, that means one cable covers a phone, a tablet and a laptop without dongles.
What it does best is the "one pair for everything" job. The enclosure is metal rather than plastic, the earpiece shape is rounded tips, and the impedance is 32 ohm with a dynamic driver. The listed design notes focus on noise isolation and a snug fit that the brand says avoids the aching feeling after an hour of wear, and on immersive sound with detailed quality and spatial/directional audio — useful when you're watching a movie on a tablet or gaming rather than just streaming music.
ASKUBSKU USB C Headphones: Who It's For
The ASKUBSKU USB C Headphones come in a LakeBlue color with a plastic shell and a semi in-ear, 45° angled design. That angle is the whole point of the fit: a semi in-ear sits shallower than a sealed tip, which the brand describes as ultra-lightweight and comfortable enough for all-day use. If you've ever given up on earbuds because deep tips felt stuffed into your ears, this is the shape to look at.
The audio story is also different. ASKUBSKU states a Hi-Res and DAC digital decoder chip that converts standard-resolution music to clearer audio over a digital USB-C signal, with a frequency range of 20Hz–20,000Hz and 32 ohm impedance on a dynamic driver. The cable is a 3.9-foot anti-winding oxygen-free copper wire, described as abrasion-resistant and flexible enough to thread through a backpack or clothing. The feature list calls out running, jogging, weight lifting, walking and hiking — that's the intended use case.
Controls are the other real advantage: in-line buttons let you play/pause, skip tracks, adjust volume and answer or reject calls without touching the phone. Buy it if you want a light, sport-focused USB-C earbud with physical controls you can find by feel while moving, and if you'd rather have a semi in-ear fit than a sealed one. Skip it if you want a metal body, an explicit long warranty term, or if you need the exact same fit feel as a traditional sealed in-ear — the plastic housing and shallow fit are the trade-offs you're accepting.
• Best for iPhone 15, 16 and 17 owners who want one cable for phone, tablet and laptop → LUDOS OMNITONE USB C, whose compatibility list explicitly names iPhone 17, 16, 15, iPad Pro, iPad Mini, iPad 10th Gen and MacBook Air/Pro.
• Best for workouts, running and gym use → ASKUBSKU USB C Headphones, which lists exercising, jogging, weight lifting, walking and hiking as the intended scenarios and uses a semi in-ear fit that stays shallow.
• Best for long-term durability → LUDOS OMNITONE USB C, thanks to the metal enclosure and the 5-year warranty.
• Best for on-cable physical controls → ASKUBSKU USB C Headphones, with in-line buttons for play/pause, track skip, volume and calls.
• Best for people who dislike deep in-ear tips → ASKUBSKU USB C Headphones, because of the 45° semi in-ear design.
• Best for noise isolation and privacy → LUDOS OMNITONE USB C, which is built around blocking background noise and keeping sound from leaking to people nearby.
• Best for a lighter, more flexible cable → ASKUBSKU USB C Headphones, with its 3.9-foot anti-winding oxygen-free copper wire.
• Best for a bundled case and a fuller accessory set → LUDOS OMNITONE USB C, which ships with the earphones, cable and a protective case.
If I were buying one pair to plug into an iPhone and leave there, I'd take the LUDOS OMNITONE USB C. The metal build, the rounded-tip in-ear isolation and — most of all — the 5-year warranty make it the pair I'd expect to still be using in a few years, and the compatibility list covers iPhone 17, 16 and 15 along with iPad and Mac. I'd pick the ASKUBSKU USB C Headphones instead if my priority were movement and control: the 45° semi in-ear fit, the in-line volume and track buttons and the sport-oriented framing make it the better match for running and gym use. Two different jobs, two different answers — but for a do-everything wired iPhone pair, my pick is the LUDOS.
how to use wired headphones for iphone 15
The iPhone 15 family uses a USB-C port instead of Lightning, so a wired USB-C headphone like either of these plugs straight into the charging port with no adapter. Both the LUDOS OMNITONE and the ASKUBSKU list iPhone 15, 15 Plus, 15 Pro and 15 Pro Max as compatible. Just connect the cable, and audio routes through the earbuds automatically.
how to use wired headphones for iphone 16
Same idea as the iPhone 15: the iPhone 16, 16 Plus, 16e, 16 Pro and 16 Pro Max all use USB-C, and both of these earbuds name those models in their compatibility lists. Plug the USB-C connector in and play as normal. The LUDOS OMNITONE also covers iPad Pro, iPad Mini 6th Gen and MacBook Air (M1), so the same pair can move between devices.
how to use headphones for iphone
For any recent iPhone with a USB-C port, a wired USB-C headphone is the simplest route — no dongle, no pairing, no charging. Connect the cable, then use the headphone's own controls: the ASKUBSKU gives you in-line play/pause, track skip, volume and call buttons, while the LUDOS OMNITONE uses touch control with call control and sound isolation. If you're on an older iPhone with a Lightning port, neither of these is the right connector.
how to use wired headphones for iphone 16 pro max
The iPhone 16 Pro Max is USB-C, so you plug the earbuds directly into the phone's port. Both products list it as compatible, and both are wired-only, meaning no Bluetooth pairing and no battery to manage. If you want to control volume without reaching for the phone, the ASKUBSKU's in-line buttons are the easier option; if you want isolation from background noise on a commute, the LUDOS OMNITONE is designed around that.
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See also: iJoy Headphones vs TZONOO USB C Headphones, Houbrera USB C Headphones vs YFSFQS 5: USB C Headphones, FosPower Kids Headphones vs Wuopzf USB C