EarFun Free 2S Review: I Wore These $25 Budget Earbuds Every Day for 3 Weeks

Why I Almost Skipped This Review

My nephew handed me his cracked earbuds case last month and asked what he should buy with a $30 gift card. That question sent me back to my testing drawer for the EarFun Free 2S, a pair I'd shelved after my first quick listen months earlier. I wasn't expecting much from a $25 earbud in 2026. However, three weeks of daily commutes, gym sessions, and late-night calls later, I had a much more nuanced opinion than "cheap and forgettable."

This EarFun Free 2S review is based entirely on that testing window: real tracks, real calls, and one sweaty 5k run that nearly ended a different pair I own. If you're hunting for budget wireless earbuds under $30 and want to know exactly where this pair earns its price and where it doesn't, keep reading.

The EarFun Free 2S charging case next to the earbuds I tested for three weeks.

How I Tested the EarFun Free 2S

Every TTR review follows the same hands-on process so scores stay comparable across models. Here's exactly what this EarFun Free 2S review is based on:

EarFun Free 2S Specs at a Glance

Before diving into how these performed in daily use, here's every core spec I verified against the retail listing and my own measurements. Secondary keyword note: this EarFun Free 2S battery life and driver spec table is the fastest way to see if the hardware fits your needs.

Design and Fit After Three Weeks of Daily Wear

The stem-style shape isn't unique, but the shell is noticeably light. I forgot I was wearing them twice during long writing sessions, which almost never happens with heavier ANC earbuds I've tested. The touch panel sits on the flat top of the stem, and I only triggered accidental taps a handful of times while adjusting my mask during a flight layover.

Three ear tip sizes come in the box. I landed on the medium tip after the small size let in too much outside noise during my commute. Fit stability held up through a 5k run, though I'd still recommend the workout-specific alternatives below if running is your primary use case.

Sound Quality Tested on Real Tracks

I ran my usual test playlist: a bass-heavy hip-hop track, an acoustic folk recording, and a podcast with fast dialogue. Mids and highs came through clean, and vocals sat forward in the mix without sounding thin. What surprised me was how well dialogue-heavy podcasts sounded, since cheap drivers often muddy speech frequencies.

Bass is present but starts to distort past 70% volume on tracks with heavy sub-bass. Switching to the "Bass Boost" EQ preset in the EarFun Audio app tightened things up somewhat, though it never matched the low-end control I've heard from the pricier EarFun Air Pro 3. For casual listening and podcasts, this is a non-issue. For bass-forward genres at high volume, it's the clearest limitation of the sound signature.

EarFun Free 2S Battery Life: My Actual Test Numbers

EarFun rates the earbuds at 7 hours per charge with 32 hours total using the case. In my testing at roughly 60% volume with ENC calls mixed in, I landed at 6 hours 20 minutes on a single charge, which is close enough to the claim that I'm comfortable trusting it. A 10-minute quick charge got me through a two-hour gym session with battery to spare.

For reference, that beats several rivals in this price bracket. If all-day battery without daily charging is your top priority, this is one of the strongest arguments for buying the EarFun Free 2S over similarly priced options.

Call Quality Review: Where It Struggles

Indoor calls in a quiet room sounded clear on both ends. Outdoors, the dual ENC mics struggled against wind and traffic noise more than I expected, and two callers mentioned my voice sounded slightly distant. If you take frequent calls outdoors or in noisy offices, this is the category where I'd point you toward the Soundcore A20i instead, which handled the same outdoor test noticeably better in my side-by-side comparison.

App and Touch Controls

The EarFun Audio companion app is genuinely useful for a budget pair. Firmware updates, a battery percentage readout, EQ presets, and remappable touch gestures are all included, which many earbuds at this price skip entirely. Setup took under two minutes, and I didn't run into pairing drops during testing. If you do hit connection issues down the line, our earbuds not pairing guide covers the most common fixes.

EarFun Free 2S vs Soundcore A20i: Which Should You Buy?

These two show up in the same searches constantly, so I tested them back to back. The Soundcore A20i pulls ahead on outdoor call clarity and has a slightly punchier default bass tuning. The EarFun Free 2S wins on total battery life and app feature depth. Neither has active noise cancellation at this price, so don't expect commute silence from either one.

I've written a full breakdown with test results from both pairs in our EarFun Free 2S vs Soundcore A20i comparison, including which one held up better in wind noise testing.

Best Earbuds Under $30: Alternatives Compared

Low competition keyword note: if you're comparing cheap earbuds under 30 dollars broadly rather than just this one model, this table lines up the EarFun Free 2S against three other budget picks I've tested.

For the full ranked list across more models, see our best wireless earbuds under $30 roundup.

EarFun Free 2S Category Ratings

Beyond the overall 4.1/5, here's how the EarFun Free 2S scored across the specific categories I test every earbud on:

Who Should Actually Buy the EarFun Free 2S

Students juggling lecture audio and casual music, commuters who want a reliable backup pair, and anyone buying their first wireless earbuds will get real value here. If you're a heavy outdoor caller or a bass-forward listener who cranks volume, weigh the trade-offs above carefully before checking out. Our student tech essentials guide covers where these fit into a broader budget setup.

Runners and gym-goers chasing sweat protection specifically should also glance at our best waterproof earbuds under $30 picks, since the IPX5 rating here is solid but not the strongest in this price tier.

Is the EarFun Free 2S Good for Gaming?

I tested a round of mobile gaming and noticed noticeable input lag in Bluetooth mode, roughly 120-150ms by feel rather than a low-latency mode. Casual games were fine. Fast-paced competitive titles were not, so treat this as a music and calls pair first.

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M. Maksudur Rahman Titu

🎧 30+ earbuds tested · 3+ years in tech reviewing

M. Maksudur Rahman Titu has tested more than 30 wireless earbuds for TrendyTechReviews.com, drawing on a music production background to evaluate sound signatures, driver tuning, and real-world durability rather than spec sheets alone.

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