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
If you want adaptive noise cancelling that adjusts to what's around you — and a charging case that doubles as a phone stand for video calls — choose Anker Soundcore P40i; if you need a lightweight, budget-friendly pair with ENC call noise reduction and serious waterproofing for workouts and commuting, choose BESNOOW Earbuds. I'm treating this as a noise isolation earbuds comparison, and the split here is genuinely useful: one product leans on active, adaptive ANC, the other leans on passive sound isolation plus heavy call-noise filtering. Neither is "better" in a vacuum. They're built for different people.
• Anker Soundcore P40i — biggest strength: Adaptive ANC that adjusts to surrounding noise, plus 6 mics with an AI algorithm for clear voice transmission on calls and video chat, and a 2-in-1 case that doubles as a phone stand.
• Anker Soundcore P40i — biggest trade-off: It's the pricier-feeling, feature-dense option, and its noise control is active rather than purely physical, so the fit-dependent seal still matters.
• BESNOOW Earbuds — biggest strength: ENC call noise reduction rated to filter out more than 80% of external noise, 4 microphones, and IP7 waterproofing in a 3.7g-per-bud shell.
• BESNOOW Earbuds — biggest trade-off: Its noise control is listed as sound isolation, not active cancellation, so it blocks noise passively through the ear tips rather than by processing it.
• Who each pick is for: Anker Soundcore P40i suits people who want adjustable ANC, long battery life and hands-free video viewing; BESNOOW Earbuds suit people who want clear calls, rugged sweat/rain protection and a light, comfortable fit.
The P40i is the more "engineered" of the two. Its headline feature is adaptive ANC — the earbuds adjust their noise cancelling to the noise around you, which is a different approach from simply sealing your ear canal. In practice, that's the kind of design that helps on a train, in an open office, or anywhere the background noise level shifts through the day. You're not just relying on the silicone tip to block sound; the earbuds are actively working on it.
Battery is where this thing runs away with it. Anker rates 12 hours on a single charge, with the case extending that to 60 hours — the case battery alone is listed at 800 mAh. Bluetooth 5.3 gives you a 10-meter range, and there's wireless charging support. The 11mm composite drivers with BassUp are aimed at people who like their low end pushed forward.
Buy it if you want adjustable ANC, the longest battery life of the two by a wide margin, a case that holds your phone up for video calls, and you don't mind a slightly heavier, more feature-loaded package. Skip it if you want the absolute lightest possible bud for running and don't need active noise cancelling or a phone stand — you're paying for features you won't use.
BESNOOW Earbuds: Who It's For
The BESNOOW Earbuds take the opposite approach. Where the P40i processes noise, the BESNOOW isolates it — the spec sheet lists noise control as "Sound Isolation," which means the blocking happens physically, through the ear tips and the seal they create. The package includes S, M and L silicone tips precisely so you can dial in that seal. Get the fit right and passive isolation can be surprisingly effective; get it wrong and you'll hear everything. That's the honest trade-off of a sound-isolation design.
What BESNOOW does push hard is call clarity. The ENC (environmental noise cancelling) system is rated to filter out more than 80% of external noise, backed by 4 high-performance microphones that capture your voice so the person on the other end hears you clearly even in a noisy place. If your "noise isolation" priority is really about being understood on a call, this is the relevant number.
Buy it if you want light buds for workouts and commuting, clear calls through ENC, IP7 water resistance, and a case that tells you exactly how much battery is left. Skip it if you specifically need active noise cancelling that adapts to changing environments — this is a sound-isolation design, not an ANC one.
Side-by-Side: Which Should You Choose?
• Best for adaptive noise cancelling → Anker Soundcore P40i. Its ANC adjusts to surrounding noise rather than staying fixed.
• Best for passive sound isolation → BESNOOW Earbuds. Silicone tips in three sizes let you build the seal yourself.
• Best for video calls and voice clarity → Anker Soundcore P40i. 6 mics plus an AI algorithm, and the copy explicitly names video chat.
• Best for filtering noise out of your outgoing call → BESNOOW Earbuds. ENC is rated to cut more than 80% of external noise with 4 mics.
• Best for battery life → Anker Soundcore P40i. 12 hours per charge, 60 hours total, versus 8 and 48 for the BESNOOW.
• Best for workouts and wet weather → BESNOOW Earbuds. IP7 waterproofing and just 3.7g per bud.
• Best for hands-free viewing and calls on the go → Anker Soundcore P40i. Its case converts into a phone stand.
• Best for the lightest, most comfortable long-wear fit → BESNOOW Earbuds. Silicone shells, three tip sizes, minimal weight.
If noise isolation is the thing you actually care about — and you want it to work in a changing environment, not just a quiet room — I'd buy the Anker Soundcore P40i. Adaptive ANC, 6 mics tuned for video calls, 60 hours of total battery and a case that props your phone up is a combination the BESNOOW simply doesn't attempt. I'd pick the BESNOOW Earbuds instead if my priority were light, waterproof buds for workouts with strong ENC call filtering and a battery display, and I were comfortable relying on ear-tip seal rather than active cancellation. For video calls specifically, the P40i is my pick. Check the current price on Amazon before you commit, since that's the one variable that can flip this decision.
how to noise cancelling earbuds
There's no single method — it depends on the design. Some earbuds, like the Anker Soundcore P40i, use adaptive ANC that adjusts to surrounding noise. Others, like the BESNOOW Earbuds, rely on sound isolation through a snug ear-tip seal. Check which type you're buying before you assume one behavior.
how to noise cancelling earbuds work
Active noise cancelling uses microphones and processing to reduce incoming sound, which is what the P40i's adaptive ANC does. Sound isolation is passive: the tip physically blocks noise from reaching your ear, which is how the BESNOOW Earbuds are specified. Both reduce what you hear, but only one uses electronics to do it.
how to use noise cancelling earbuds
For a sound-isolation pair like the BESNOOW Earbuds, the key step is fit — try the S, M and L silicone tips and use whichever seals your ear best. For adaptive ANC like the P40i's, the earbuds handle adjustment themselves once they're seated properly. In both cases, a correct fit does most of the heavy lifting.
how to noise cancelling earbuds apple
Neither product here is tied to Apple specifically. The BESNOOW Earbuds are listed as compatible with most Bluetooth devices, including iOS and Android phones, while the P40i uses Bluetooth 5.3 with a 10-meter range. Both should pair with an iPhone over standard Bluetooth.
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