Sony USB-C Wired In-ear Headphones IER-EX15C
The 5mm dynamic driver and high-compliance diaphragm deliver rich bass and clear vocals in a lightweight 68g wired design, with no battery, latency, or drop-out worries thanks to the USB-C plug. The in-line remote adds a multi-function button, volume controls, and a mic, while the textured cable and slider reduce tangles and let you adjust length. Best for budget-conscious listeners who want a simple, reliable wired option for calls, podcasts, and casual music on USB-C phones, laptops, or consoles.
No current retailer price
Snapshot
The 30-Second Version
The Sony IER-EX15C is a simple, comfortable pair of wired USB-C earbuds with surprisingly good sound for the price. No charging, no pairing, just plug and play. Find them at the low end of the USD 9-30 range and they're a great value.
Pros & Cons
Pros
- Plug-and-play USB-C, zero charging or pairing hassle 92nd
- Surprisingly good bass and vocal clarity for the price 72nd
- Lightweight and comfortable with three ear tip sizes 66th
- In-line controls cover music, calls, and voice assistant
Cons
- Sound quality is nowhere near premium, it's budget-tier
- No active noise cancellation, just passive isolation
- Cable can still tangle despite the textured finish
- Occupies your USB-C port while in use
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
The 5mm dynamic driver punches above its weight. Bass is surprisingly present and vocals come through clear, which is more than you can say for most budget wired buds. Call quality is fine, nothing special, but people will hear you. The in-line remote handles play/pause, track skipping, volume, and voice assistant stuff without much fuss. The textured cable does help with tangles, though it's not magic. One thing to know: these are passive only. No ANC, no fancy codecs, just a physical seal from the ear tips. That seal actually blocks a decent amount of ambient noise, but it's not active cancellation.
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | in-ear |
| Ear Tips | XS, S, M, L, XL |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 5 |
| Codecs | Sony IER-EX15C USB-C Plug, Wired in-Ear Headphones for iPhone and Android Phones, with Built-in Multi-Function Button, Volume and Mic Control, Pink (Renewed) (Renewed) |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
Earbud Battery
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | ✓ |
| Touch Controls | No |
| Bone Conduction | No |
vs Competition
Against the Baseus Bass BP1 Pro or Soundcore P20i, the Sony IER-EX15C loses on features. Those are wireless buds with charging cases, better battery life, and more modern conveniences. But the Sony wins on simplicity. No battery to degrade, no Bluetooth dropouts, no case to lose. The JLab GO POP ANC and SoundPEATS C30 offer ANC at similar or slightly higher prices, but the Sony's passive isolation is decent enough for most commutes. If you want wireless freedom and features, look elsewhere. If you want a wired pair that just works, the Sony is the pick.
| Spec | Sony USB-C Wired In-ear Headphones IER-EX15C | Technics EAH-AZ100 EAH-AZ100-N | Apple AirPods Pro 3rd Generation | Nothing Buds 2 | Samsung Galaxy Buds3 Pro | Soundcore P31i |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.4 | 5.4 | 6.0 |
| Battery Life Hours | - | 8 | 8 | 13.5 | 6 | 10 |
| Case Battery Hours | - | 28 | 24 | 55 | 26 | 50 |
| Water Resistance | - | IPX4 | IP57 | IP55 | IP57 | IP55 |
| Multipoint | - | true | true | true | true | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sony USB-C Wired In-ear Headphones IER-EX15C | 31 | 39.4 | 34 | 3.9 | 44.9 | 72 | 92 | 26 | 66.1 |
| Technics EAH-AZ100 EAH-AZ100-N Compare | 97.2 | 97.5 | 79.3 | 99 | 78.8 | 72 | 97.2 | 99.8 | 81.1 |
| Apple AirPods Pro 3rd Generation Compare | 97.2 | 82 | 98.8 | 90.7 | 75.5 | 94.7 | 32.5 | 99.6 | 99.3 |
| Nothing Buds 2 Compare | 93 | 97.5 | 91.2 | 81.9 | 95.6 | 72 | 92 | 96.9 | 81.1 |
| Samsung Galaxy Buds3 Pro Compare | 97.2 | 97.5 | 98.8 | 93 | 73 | 94.7 | 32.5 | 99.6 | 90 |
| Soundcore P31i Compare | 89.7 | 97.5 | 91.2 | 97 | 93 | 72 | 97.2 | 86.1 | 90 |
Price
Value & Pricing
Pricing is all over the place. We're seeing USD 9 to USD 30 across 11 US listings, which is a wild spread for the same earbuds. At the low end, this is an absolute steal. At the high end, you're paying too much for what you get. Shop around and don't pay more than the low teens if you can help it. The CAD listings sit at CAD 40-41, which feels steep compared to the US low end. For a no-frills wired pair that sounds decent and never needs a charge, the value is there if you find the right price.
Read more
Overview
The Sony IER-EX15C is a dead simple pair of wired USB-C earbuds. No charging, no pairing, no app. You plug them in and they work. That's the whole pitch, and honestly, it's a good one.
Sony stuffed a 5mm driver in a tiny contoured housing and threw in three ear tip sizes. The result is a lightweight pair of earbuds that sound better than they have any right to at this price. They're not going to blow anyone away, but for a backup pair or a daily driver for people who hate charging things, they're a solid pick.
Common Questions
Q: Do these work with both iPhone and Android?
Yes, as long as your phone has a USB-C port. They support USB Audio Class 1.0 devices, so most modern phones, laptops, and even gaming consoles will work without any setup.
Q: Is there any noise cancellation?
No active noise cancellation. The ear tips provide passive isolation by physically blocking some ambient sound, which is decent but not the same as ANC.
Q: Can I use these while charging my phone?
No, they occupy the USB-C port while in use. If your phone doesn't have a headphone jack and you need to charge simultaneously, you'll need a USB-C hub or splitter.
Who Should Skip This
Skip these if you need wireless freedom or active noise cancellation. The lack of ANC and the wired-only design will frustrate anyone used to true wireless earbuds. Also skip if you have a phone without a USB-C port, like an older iPhone with Lightning, since there's no adapter included and the port is occupied while listening.
Verdict
Buy these if you want a reliable wired pair that sounds good for the money and never needs charging. They're perfect as a backup pair, a gym bag staple, or a daily driver for anyone who's tired of dead earbuds. The comfort is solid, the controls are handy, and the sound is better than the price suggests. Just don't expect premium audio or any fancy features.