We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
If you want a no-fuss open-ear pair with the newer Bluetooth standard and a waterproof build for everyday walking and workouts, choose BEVCEFCC Open Ear True; if you need a smart charging case, adjustable earhooks and stronger bass tuning, choose JKNKCO NE80.
• BEVCEFCC Open Ear True — biggest strength: a clean, simple open-back design with Bluetooth 5.4, touch controls and a voice assistant, plus a waterproof rating that suits sweaty sessions and light rain.
• BEVCEFCC Open Ear True — biggest trade-off: it's the plainer product. No smart case, no adjustable hooks, no stated playtime figure, and the fit is fixed rather than tunable.
• JKNKCO NE80 — biggest strength: the feature list is genuinely unusual for open-ear buds — a full-color smart screen charging case, 120° adjustable elastic earhooks, DRC bass tuning, dual-mic noise cancelling and IPX5 water resistance.
• JKNKCO NE80 — biggest trade-off: the stated single-charge playtime is only 4 hours, and the extra tech (smart case, touchscreen) is the kind of thing some people will never touch.
• Who each is for: the BEVCEFCC pair is for the buyer who wants open-ear awareness with the least complication; the JKNKCO NE80 is for the buyer who wants the case to do more and the fit to be adjustable.
The BEVCEFCC Open Ear True is the straightforward option here. It's an open-back, ear-hook style earbud that sits outside your ear canal rather than plugging it, so ambient sound stays audible. If you walk busy streets, run on shared paths, or do chores while listening, that awareness is the whole point — you hear traffic and voices without pulling a bud out.
On paper the spec sheet is tidy rather than flashy. Bluetooth 5.4 handles the wireless connection, the driver is a dynamic unit covering 20Hz to 20,000Hz, and control is by touch. You also get a smart voice assistant, so you can trigger your phone's assistant and manage calls or track changes by gesture instead of digging out your phone. The build is listed as waterproof, which matters if sweat or drizzle is part of your routine. It ships as a single black unit with a cable and manual, and there's a one-number warranty attached.
Who should skip it: if you want adjustable earhooks, a battery figure you can plan around, or a case that does anything beyond charge, this isn't the one. It's deliberately minimal, and that's either the appeal or the dealbreaker depending on you.
JKNKCO NE80: Who It's For
The JKNKCO NE80 goes the other direction entirely — it's the gadget-lover's open-ear bud. The headline feature is the charging case: a full-color smart screen built into the case itself. From there you can manage playback, check battery status, switch styles, and use a "Find My Earphones" function. It even carries a built-in list covering 134 languages, which suggests it's aimed at a global audience and possibly at on-case language or theme switching rather than just audio control.
The fit is the second differentiator. The earhooks rotate through 120°, and they're described as elastic with a strong grip, so you can angle them to your own ear shape instead of accepting a fixed hook. For people who've fought with open-ear buds that loosen mid-run, that adjustability is a real argument.
Audio is tuned for impact: a bio-diaphragm dynamic coil driver with DRC dynamic low-frequency compensation, which the brand frames as harder-hitting bass without losing treble clarity. Bluetooth 6.0 is the connectivity story, with claims of faster transmission, stronger anti-interference and reduced latency — the last one matters if you watch video or game and hate lip-sync drift. Dual microphones handle calls with ambient and wind noise filtering, and the IPX5 rating covers sweat and rain. Battery is 4 hours per charge with a 1.5-hour fast charge.
Who should buy it: anyone who wants the case to act as a small control hub, wants a fit they can tune, and cares about bass weight and call clarity outdoors. Who should skip it: if 4 hours per charge is too short for your longest sessions, or if you'd rather not manage a touchscreen case, the extra features become extra friction.
• Best for fit adjustability → JKNKCO NE80. The 120° rotating elastic earhooks let you dial in the angle; the BEVCEFCC fit is fixed.
• Best for the simplest experience → BEVCEFCC Open Ear True. Touch controls, a voice assistant and nothing else to configure.
• Best for battery planning → JKNKCO NE80 on stated figures. It's the only one of the two with a published playtime (4 hours) and a 1.5-hour charge time.
• Best for water exposure → a near tie, with a caveat. BEVCEFCC lists a waterproof rating; JKNKCO specifies IPX5. Both are built for sweat and rain, so treat this as even.
• Best for bass and low-end punch → JKNKCO NE80. The DRC dynamic bass compensation and bio-diaphragm driver are aimed squarely at low-frequency weight.
• Best for calls outdoors → JKNKCO NE80. Dual-mic noise cancelling tuned for wind and ambient noise is a specific advantage for open-ear designs.
• Best for low-latency video and gaming → JKNKCO NE80. Bluetooth 6.0 with reduced latency is the stronger spec here; BEVCEFCC runs Bluetooth 5.4.
• Best for "I just want it to work" buyers → BEVCEFCC Open Ear True. Fewer moving parts, fewer things to learn, and an open-back design that does exactly what it says.
In my opinion, the JKNKCO NE80 is the one I'd buy, because the adjustable earhooks and the dual-mic noise cancelling solve the two things that actually annoy people about open-ear buds: fit that drifts and calls that sound like you're standing in a wind tunnel. The smart-screen case is a bonus rather than the reason, and the DRC bass tuning gives it more low-end character than a plain open-back design. The 4-hour playtime is the honest catch — if you need to wear buds for a full workday without a charge, I'd lean toward the BEVCEFCC Open Ear True instead and accept the simpler feature set. For most buyers who listen in 1–3 hour blocks, the NE80 is my pick.
FAQ
Not universally. The NE80 wins on features — smart case, adjustable earhooks, dual-mic noise cancelling, Bluetooth 6.0 — but its stated playtime is 4 hours per charge. The BEVCEFCC is the simpler, lower-maintenance choice with a waterproof build and Bluetooth 5.4.
Both are open-ear designs meant to keep you aware of your surroundings. The JKNKCO NE80's 120° adjustable elastic earhooks give it an edge on secure fit, while the BEVCEFCC relies on a fixed ergonomic ear-hook shape with a waterproof rating.
No. The smart screen case is a JKNKCO NE80 feature. The BEVCEFCC ships with a cable, the headphones and a manual, and control is via touch and a smart voice assistant.
Neither brand's pricing is listed here. Use the "Check latest price on Amazon" button on this page to see what each one costs right now, then weigh that against the feature differences above.
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See also: KMOUK True vs Diyeeni Open Ear, RockShine R1 vs Groovz Open-Ear Plus True, TALIX Open Ear Clip-On vs Defunc True LITE II: True Wireless