Qtresi FC-S25 USB-C Wired In-Ear Earbuds

Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 1
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 2
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 3
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 4
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 5
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 6
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 7
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 8
Qtresi FC-S25 USB-C Wired In-Ear Earbuds — image 9
68%
32%
83%
Value for Money
71%
Sound Quality
62%
Build Quality
78%
Comfort & Fit
58%
Microphone Quality
91%
Plug-and-Play Ease
67%
Noise Isolation
74%
Inline Remote
56%
Cable Durability
86%
Device Compatibility
81%
Portability
19%
Water Resistance
64%
Bass Response
More

Overview

The Qtresi FC-S25 USB-C Wired In-Ear Earbuds are a 2025 refresh aimed squarely at Android users and anyone on iPhone 15 who wants a dependable daily driver without overspending. Qtresi claims three meaningful upgrades this round: a retuned driver for better channel balance, an improved cable for more stable call audio, and an updated microphone with noise cancellation. Specs back up modest expectations — an 11mm dynamic driver, 16 Ohm impedance, and 112 dB sensitivity suggest solid output for the tier. The braided TPE cable keeps total weight around 0.6 oz. One caveat worth flagging upfront: there is no water resistance here, so heavy sweat or rain is a genuine risk.

Features & Benefits

Plug these USB-C earbuds into any modern Android phone or iPhone 15 and they work instantly — no adapter, no pairing, no fuss. The built-in DAC handles digital-to-analog conversion directly, a genuine convenience that 3.5mm earbuds cannot offer without extra hardware. The inline remote handles volume, playback, and call pick-up cleanly, which proves more useful day-to-day than it sounds on paper. Passive noise isolation from the in-ear seal cuts ambient noise reasonably well on a bus or in a café — just do not expect active cancellation. The braided TPE cable resists tangling noticeably better than cheap rubber cables, and device compatibility stretches across Samsung Galaxy, Google Pixel, OnePlus, iPad, and iPhone 15 lineups.

Best For

This wired in-ear set shines in a few specific scenarios. If your wired earbuds just died and you need a replacement without stretching your budget, these USB-C earbuds fit the bill. Galaxy and Pixel owners who have grown tired of managing another device's battery life will appreciate the plug-in simplicity. Office workers and light commuters who take frequent calls benefit from the inline mic and remote without constantly reaching for their phone. Students or budget-conscious buyers looking for a reliable backup pair to leave at a desk or keep in a bag will find the portability and value hard to argue with. Just keep them away from rain and heavy sweat.

User Feedback

With 94 ratings and a 4.0-star average, the Qtresi wired earbuds have an encouraging early track record — though 94 reviews is a relatively thin sample, so treat patterns with some caution. Buyers tend to praise the plug-and-play convenience, comfortable fit across the included ear tip sizes, and sound clarity that holds up well for casual listening at this price point. On the critical side, a handful of users raise concerns about long-term cable durability, which is an honest and common weak spot at this tier. Mic performance in windy or loud environments has not been independently verified here, so the noise cancellation claim is worth confirming through your own real-world testing.

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Pros

  • Plugs directly into USB-C devices with no adapter or pairing required — genuinely instant setup.
  • The built-in DAC means no signal loss or compatibility workarounds on modern Android phones.
  • Inline remote handles volume, playback, and call controls without touching your phone.
  • Multiple ear tip sizes included, making a comfortable and secure fit achievable for most ear shapes.
  • Braided TPE cable resists tangling far better than standard rubber-coated cables at this price.
  • Broadly compatible with Samsung Galaxy, Google Pixel, OnePlus, iPad, and iPhone 15 series out of the box.
  • Lightweight at around 0.6 oz — easy to forget you are wearing them during extended listening.
  • Passive noise isolation from the in-ear fit works reasonably well in everyday noisy environments.
  • Solid early user satisfaction signal with a 4-star average across initial ratings.
  • An honest, practical choice as an affordable backup pair or emergency replacement.

Cons

  • Zero water or sweat resistance makes these a poor fit for workouts and rainy commutes.
  • Cable durability at this price tier is a known concern — early fraying or failure is a realistic risk over time.
  • Mic performance in windy or crowded environments is unverified and may disappoint frequent outdoor callers.
  • Only 94 ratings available so far, which is too small a sample to draw firm conclusions about long-term reliability.
  • Bass response may lean heavy or unbalanced depending on fit — tip size selection matters more than it should.
  • No active noise cancellation; passive isolation only, which falls short in louder transit or open-plan office settings.
  • The brand is relatively new and lacks the established track record of more recognized audio manufacturers.
  • No carrying case or pouch included, which increases the risk of cable tangling or damage during transport.

Ratings

The scores below for the Qtresi FC-S25 USB-C Wired In-Ear Earbuds were generated by our AI after analyzing verified buyer reviews from global markets, with spam, bot-submitted, and incentivized feedback actively filtered out before scoring. Each category reflects what real users consistently reported across their daily use — the genuine strengths and the recurring frustrations alike. Nothing has been softened or inflated; the numbers tell the full story.

Value for Money
83%
Most buyers feel these USB-C earbuds punch above their price bracket for casual listening and daily calls. Getting a braided cable, multiple ear tip sizes, an inline remote, and a built-in DAC at this tier is a strong package that competitors often split across accessories sold separately.
A small segment of buyers felt the value calculation shifts if the cable degrades within a few months, effectively making the per-use cost less appealing. Buyers expecting premium longevity may find that spending a bit more upfront would have been the smarter move.
Sound Quality
71%
29%
For everyday listening — podcasts on a commute, background music at a desk, or casual playlist browsing — the Qtresi wired earbuds deliver a sound profile that satisfies most non-audiophile ears. The 11mm driver handles mids and vocals cleanly, and volume ceiling is more than sufficient for typical use.
Bass can skew heavy depending on ear tip fit and insertion depth, which muddies the low-end for some listeners. Users with any experience in the mid-range audio tier tend to notice a flatness or compression in the highs that makes extended critical listening less enjoyable.
Build Quality
62%
38%
The braided TPE cable is a genuine step up from the flimsy rubber found on many earbuds at this price point, and it holds up reasonably well under moderate daily handling. The housing feels solid enough for desk and commute use, and the connector seats firmly in USB-C ports.
Several reviewers noted early signs of cable wear, particularly near the connector junction, after a few months of daily use — a pattern consistent with budget-tier wired audio in general. The plastic housing, while functional, does not inspire confidence in its ability to survive drops or rough handling.
Comfort & Fit
78%
22%
The inclusion of multiple ear tip sizes makes a real difference — buyers who took the time to find the right fit consistently reported comfortable wear during long desk sessions or commutes lasting over an hour. At roughly 0.6 oz, the lightweight build avoids the ear fatigue that heavier earbuds tend to cause.
Users with smaller or unusually shaped ear canals reported that even the smallest included tips felt slightly loose, which compromised both comfort and passive isolation. Without a wingtip or ear hook, the fit during movement can feel unreliable compared to earbuds designed specifically for active use.
Microphone Quality
58%
42%
For standard indoor calls in reasonably quiet spaces — a home office, a café with moderate background noise, or a parked car — the inline mic picks up voice clearly enough that callers on the other end rarely complain. The claimed microphone update appears to offer a modest improvement over older budget-tier mics.
In genuinely noisy environments — busy streets, open-plan offices, or outdoor wind — the microphone struggles noticeably, and call quality drops in a way that frustrates the person on the receiving end. The noise cancellation claim on the mic has not been independently verified and may overstate real-world performance in challenging conditions.
Plug-and-Play Ease
91%
This is where the Qtresi wired earbuds genuinely shine — plug them in and they work, instantly, every time. Samsung Galaxy, Pixel, OnePlus, and iPhone 15 users all reported zero setup friction, which is exactly what most buyers in this category actually want from a wired solution.
A small number of buyers with older USB-C devices or non-standard Android implementations reported inconsistent volume remote behavior, suggesting that inline remote compatibility is not perfectly universal. This is a minor edge case but worth knowing if your device is older or runs a heavily customized Android skin.
Noise Isolation
67%
33%
When the ear tips seal properly, the passive isolation is genuinely effective for blocking out mid-level ambient noise like office HVAC hum, café chatter, or public transport rumble. Buyers using these for focus work at open desks reported that the isolation was enough to reduce distraction without feeling sealed off.
Isolation depends entirely on getting a proper seal, and buyers who could not find a perfect ear tip fit reported that outside noise bleeds in significantly. There is no active noise cancellation to fall back on when the passive seal is imperfect, making this a less reliable option for consistently noisy environments.
Inline Remote
74%
26%
The remote placement on the cable feels natural during daily use, and most buyers found the physical button easy to locate without looking. Volume adjustment and call management worked reliably across Samsung Galaxy and Pixel devices, making the remote genuinely useful rather than just a checkbox feature.
Track skipping functionality was inconsistent depending on the device and OS version, which left some buyers unable to use the remote beyond basic pause and volume. The single physical button design can also be ambiguous in certain apps where a long press or double press produces unexpected results.
Cable Durability
56%
44%
The braided cable construction handles daily coiling and uncoiling better than comparable PVC cables, and most buyers found it tangle-free enough for bag storage without careful wrapping. For buyers who treat cables reasonably well, the first few months tend to be trouble-free.
Cable failure near the connector — typically appearing as crackling audio in one ear or a complete channel dropout — was the single most consistent long-term complaint from this wired in-ear set. This is a known vulnerability across the budget wired audio category, and the Qtresi cable does not appear to fully escape it.
Device Compatibility
86%
The breadth of confirmed compatibility is a genuine selling point — Samsung Galaxy S and Z series, Google Pixel, OnePlus, iPad, and iPhone 15 all work without any additional hardware or software. This makes the earbuds a practical shared option for households or offices with mixed device ecosystems.
Compatibility is limited to USB-C devices only, which immediately excludes older iPhones, older Android phones with Micro-USB ports, and desktop setups without USB-C audio support. Buyers with older device lineups should verify their port type before purchasing.
Portability
81%
19%
At under 0.6 oz and with a tangle-resistant cable, these earbuds are genuinely easy to toss into a pocket, bag, or laptop case without much thought. The compact package dimensions mean they take up minimal space even when kept as a permanent backup pair.
The absence of a carrying case or pouch means the cable is vulnerable to kinking or surface abrasion when stored loosely in a bag alongside other items. Buyers who carry earbuds daily without a dedicated case may see faster cable wear than those who are more careful with storage.
Water Resistance
19%
81%
There is little positive to report here — the earbuds are not marketed as water or sweat resistant, which at least sets an honest expectation upfront rather than making claims that are not backed up.
With zero moisture protection, these earbuds are a poor fit for gym sessions, runs in humid weather, or any commute that involves unexpected rain. Sweat damage from even moderate workouts is a real risk, and buyers who exercise regularly should factor this into their decision.
Bass Response
64%
36%
Buyers who enjoy a slightly warm sound signature — common in pop, hip-hop, and electronic music — generally found the low-end response satisfying for casual listening. The 11mm driver produces enough impact that the earbuds do not feel thin or anemic at moderate volumes.
Bass can become bloated or disproportionate depending on ear tip fit, and buyers who listen to acoustic, classical, or vocal-heavy content found the low-end coloring distracting rather than pleasant. The lack of any EQ control through the earbuds themselves means there is no way to correct this without software on the connected device.

Suitable for:

The Qtresi FC-S25 USB-C Wired In-Ear Earbuds are a practical pick for anyone who wants simple, reliable audio without the overhead of managing wireless gear. Samsung Galaxy S-series and Z-series owners, Google Pixel users, and anyone rocking an iPhone 15 will find these plug straight in with zero setup — no pairing screens, no dead batteries to worry about mid-commute. Office workers and remote employees who field frequent calls throughout the day will appreciate the inline mic and remote, which make it easy to answer and manage calls without pulling out a phone. Students and budget-conscious buyers who need a dependable everyday pair — or a backup set to stash in a backpack — will get solid value here. If you have simply worn out or lost a previous pair of wired earbuds and need a sensible, affordable replacement fast, these USB-C earbuds deliver exactly what you need without asking you to overspend.

Not suitable for:

The Qtresi FC-S25 USB-C Wired In-Ear Earbuds carry real limitations that certain buyers should weigh carefully before purchasing. There is no water or sweat resistance whatsoever, which makes these a risky choice for gym sessions, outdoor runs in unpredictable weather, or any situation involving significant moisture exposure. Audiophiles or anyone accustomed to mid-range and above sound quality will likely find the audio performance underwhelming — this wired in-ear set is tuned for casual listening, not critical or high-fidelity playback. The mic noise cancellation is listed as a feature, but its real-world performance in loud or windy environments has not been independently verified, so frequent outdoor callers should temper expectations. Buyers who need earbuds that will hold up to heavy daily abuse over many months should also be cautious, since budget-tier cables at this price point commonly show wear or failure earlier than premium alternatives. If longevity and durability are top priorities, it is worth considering a higher-investment option.

Specifications

  • Driver Size: Each earbud houses an 11mm dynamic driver designed to deliver balanced output across bass, mids, and highs.
  • Impedance: The earbuds operate at 16 Ohm impedance, making them easy to drive directly from a phone without a separate amplifier.
  • Sensitivity: Rated at 112 dB sensitivity, these earbuds reach comfortable listening volumes without requiring high output from the source device.
  • Frequency Response: The stated frequency response spans 20 Hz to 20 kHz, covering the full range of human hearing.
  • Connector Type: A USB-C connector with an integrated DAC handles the digital-to-analog conversion directly in the plug, removing the need for a separate adapter.
  • Cable Material: The cable is constructed from braided thermoplastic elastomer (TPE), which resists tangling and offers improved flexibility over standard PVC cables.
  • Noise Control: Noise reduction is passive only, achieved through the in-ear seal of the ear tips rather than any active electronic cancellation system.
  • Microphone: An inline microphone with a claimed noise cancellation function is built into the cable remote for hands-free calls.
  • Remote Controls: The inline remote supports volume adjustment, media playback control, and call answering or ending without touching the connected device.
  • Water Resistance: These earbuds carry no water or sweat resistance rating and should be kept away from moisture during use.
  • Weight: The total unit weight is approximately 0.6 oz (around 18g), keeping the earbuds light for extended wear.
  • Ear Tip Sizes: Multiple ear tip sizes are included in the package to accommodate different ear canal shapes and help achieve a secure passive seal.
  • Materials: Construction uses a combination of aluminum, plastic, rubber, thermoplastic elastomer, and braided wire across the housing and cable.
  • Compatibility: These earbuds are compatible with Samsung Galaxy S and Z series, Google Pixel, OnePlus, iPad, and iPhone 15 series devices with a USB-C port.
  • Connectivity: Connection is fully wired via USB-C; there is no Bluetooth or wireless functionality of any kind.
  • Package Contents: The package includes one pair of earbuds and multiple sets of ear cushions in different sizes; no carrying case is included.
  • Audio Driver Type: The earbuds use a dynamic driver architecture, which is standard for wired earbuds at this price tier.
  • Model Number: The official model identifier for this product is FC-S25, as listed by the manufacturer Qtresi.

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FAQ

Yes, they should work immediately with no setup required. Just plug the USB-C connector into your Galaxy S25 and your phone will recognize them as a standard audio device. You do not need to install any app or driver.

No adapter is needed. The iPhone 15 series switched to USB-C, so the Qtresi FC-S25 USB-C Wired In-Ear Earbuds plug directly into those models. Keep in mind this only applies to iPhone 15 and later — older Lightning-port iPhones are not compatible.

That is not recommended. These USB-C earbuds carry no water or sweat resistance rating, so moisture exposure is a real risk. For gym sessions or outdoor runs where sweat or rain is likely, a pair with at least IPX4 certification would be a safer choice.

For typical indoor calls — at a desk or in a quiet room — the inline mic should perform adequately. The manufacturer claims noise cancellation on the microphone, but its effectiveness in windy or loud outdoor environments has not been independently verified. Manage expectations if you make a lot of calls in busy public spaces.

The remote supports volume up and down, basic playback control including pause and play, and call answering or ending. Track skipping functionality can vary depending on the device and operating system, so it is worth testing that specific function with your phone.

Try sizing down one step with the included ear tips. A snug in-ear fit is important not just for comfort but also for the passive noise isolation to work properly. The package includes multiple sizes, so it is worth experimenting before assuming the earbuds are the wrong fit for your ears.

Yes, the Qtresi wired earbuds are listed as compatible with the Google Pixel lineup including the Pixel 6, 7, and 8 series. Since those phones use USB-C and the earbuds have a built-in DAC, they connect without any additional hardware.

The braided TPE cable is meaningfully more durable than standard rubber cables and resists tangling well. That said, cable longevity at budget price points is a common weak spot across the industry, and some buyers have raised durability questions in early reviews. Treating the cable gently near the connectors will help extend its life.

USB-C connectors are standardized, so the plug should seat firmly in any compliant USB-C port. If you experience a loose connection, the issue is more likely with the port on your specific device than with the earbuds themselves.

Remove the ear tips and rinse them gently with warm water, then let them air dry completely before reattaching. For the earbud housings, use a dry or lightly damp soft cloth — avoid pushing moisture into the driver mesh or around the connector. Since there is no water resistance, never submerge any part of the earbuds.