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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-05 · 7 min read · Independent comparison
• EarFun Air Pro 4i — biggest strength: up to 50dB adaptive hybrid ANC with 6 mics and AI ENC, plus LDAC Hi-Res audio from an 11mm dynamic driver.
• EarFun Air Pro 4i — biggest trade-off: the ANC-on battery figures drop noticeably (6.5h per charge / 27h with case), and the older Bluetooth 5.4 spec is a step behind its rival.
• ROSESELSA Ceramics MK2 — biggest strength: 45 hours total battery life, 12 hours per charge, Bluetooth 6.0, LDAC and a 47ms game mode.
• ROSESELSA Ceramics MK2 — biggest trade-off: 40dB ANC (quieter on paper than the EarFun) and IPX4 water resistance instead of IP55.
• Who the EarFun is for: anyone who wants the most aggressive noise cancelling and the most rugged build for hunting, hiking and sweaty outdoor work.
• Who the ROSESELSA is for: anyone who prioritises marathon battery life, the newest Bluetooth version and a cleaner, more audiophile-tuned sound signature.
The EarFun Air Pro 4i is the more "outdoorsy" of the two. Its headline claim is up to 50dB of adaptive hybrid ANC, which automatically adjusts to whatever noise floor you're standing in. For a hunter sitting in a blind or a ground seat, that's the feature that matters most — it's the number that decides whether wind, distant traffic or a generator hum gets pushed into the background. Six AI-enhanced ENC microphones handle voice pickup, which is what makes the call-quality side of the earbuds work when you're coordinating with a partner over the phone.
Audio-wise it leans on LDAC and an 11mm custom dynamic driver, with a 3D surround sound mode layered on top. LDAC is the high-resolution Bluetooth codec here, and pairing it with a driver that size is a recipe for the punchy low end most people want from a set of bass-forward earbuds. The 20Hz–20,000Hz frequency range and 32-ohm impedance are standard, sensible numbers for in-ear buds.
Where the EarFun earns its keep for hunting specifically is durability. IP55 water and dust resistance is the strongest rating in this comparison, and that matters when you're dealing with sweat, drizzle, dust and mud. Bluetooth 5.4 with multipoint lets you stay connected to your phone and another device at once, and Google Fast Pair makes setup painless on Android.
Who should skip it? If you need every last hour of playback, the ANC-on numbers (6.5 hours per charge, 27 hours with the case) are the weak spot. And if you want the newest Bluetooth generation, this one is a version behind. It also only lists an 18-month warranty and is aimed at "all ages" rather than adults specifically. Check the current price on Amazon to see whether the feature set lines up with your budget.
The Ceramics MK2 is built around a different philosophy: squeeze more hours and more fidelity out of every charge. The battery story is the standout — 12 hours of single-charge playback and 45 hours total with the case. For a long day in the field where you don't want to think about charging, that's a genuine practical advantage over the EarFun.
The audio chain is more elaborate on paper. There's a titanium-coated dome composite diaphragm with a flexible surround, a 24-bit DAC chip, an SNR figure of 113dB, and tuning based on the equal-loudness contour so the sound signature tracks how the human ear actually perceives different frequencies. LDAC is on board too, and the spec sheet frames it as a deliberate choice at a tier where high-res support is often dropped to save cost. If you care about treble detail and a controlled, resonant low end rather than pure thump, this is the more refined-sounding pick in my reading of the specs.
Noise cancelling sits at 40dB wideband, using a SoC-powered algorithm and a redesigned acoustic chamber. The claim worth noting is reduced ear pressure compared with conventional hybrid feedback ANC — that's a real consideration if you wear buds for hours at a time. Calls run through an NPU-driven AI neural network plus dedicated HD silicone mics tuned for voice. Dual-device pairing is supported.
Bluetooth 6.0 is the newest version here, the game mode drops latency to 47ms, and the companion app is ad-free with no login required. Build quality gets an upgrade too: a metal-and-composite shell in a Night finish, and the spec sheet describes ergonomics refined from a very large user base to cut ear fatigue. One caveat — IPX4 is sweat resistant, not dust resistant, so it's a fair-weather companion rather than a mud-and-grit one.
Side-by-Side: Which Should You Choose?
• Best for battery life → ROSESELSA Ceramics MK2. 45 hours total and 12 hours per charge beats 40 hours total and 9.5 hours per charge.
• Best for hunting and rough outdoor use → EarFun Air Pro 4i. IP55 dust and water resistance is the tougher rating; the Ceramics MK2 is IPX4.
• Best for newest connectivity → ROSESELSA Ceramics MK2. Bluetooth 6.0 and multipoint, versus Bluetooth 5.4 and multipoint on the EarFun.
• Best for competitive or low-latency listening → ROSESELSA Ceramics MK2. A stated 47ms game mode is the only low-latency figure in this comparison.
• Best for call clarity in windy conditions → EarFun Air Pro 4i. Six AI-enhanced ENC mics is the more aggressive noise-reduction array for voice.
• Best for long-wear comfort → ROSESELSA Ceramics MK2. The reduced ear-pressure design and ergonomic tuning point that way.
• Best for a bass-forward, immersive listen → EarFun Air Pro 4i. An 11mm dynamic driver plus 3D surround sound is the more overtly fun tuning.
For hunting specifically, I'd buy the EarFun Air Pro 4i. In my opinion the IP55 dust-and-water rating and the up-to-50dB adaptive ANC are the two specs that actually decide whether a pair of earbuds survives and performs in the field, and the EarFun wins both. The 6-mic AI ENC array is the better bet for calls when you're outdoors, and LDAC with an 11mm driver covers the sound quality side comfortably.
That said, if your priority is battery life above everything — long sits, multi-day trips, no charger in sight — I'd take the ROSESELSA Ceramics MK2 instead. Bluetooth 6.0, 45 hours of total playback and that 47ms game mode make it the more future-proof, longer-lasting option, and the more refined tuning will appeal if you want detail over punch.
what is ldac headphones
LDAC is a Bluetooth audio codec that carries roughly three times the data of the standard SBC codec, which is what allows high-resolution audio over a wireless connection. Both earbuds here support it, so you get that higher-fidelity transmission from either one. You'll need a source device that also supports LDAC to take advantage of it.
what is ldac support in headphones
It means the earbuds can receive and decode an LDAC stream rather than falling back to SBC or AAC. On the EarFun Air Pro 4i it's paired with an 11mm dynamic driver and 3D surround sound; on the ROSESELSA Ceramics MK2 it's backed by a 24-bit DAC chip and an SNR of 113dB. Support alone doesn't guarantee better sound — the driver and tuning matter just as much.
what is ldac codec in headphones
It's the compression-and-transmission format itself, and the spec sheets here frame it as the thing that separates these two from cheaper rivals that skip high-res audio to cut costs. The Ceramics MK2 in particular calls out that it triples the data transmission of SBC. Practically, that means more of the original recording survives the trip from your phone to your ears.
what is ldac sony headphones
LDAC was developed by Sony and is most commonly associated with Sony's own headphones, but it isn't exclusive to that brand — both the EarFun Air Pro 4i and the ROSESELSA Ceramics MK2 list LDAC support. So you can get LDAC playback without buying into Sony's ecosystem. Just confirm your phone or player can transmit LDAC before expecting the benefit.
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