How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want two complete pairs of earbuds in one box — one shaped for workouts, one shaped for sleeping on your side — choose APZXTRK 2-in-1; if you need a single featherweight open-ear headset that keeps you aware of traffic, lets you wear a helmet, and handles calls all day, choose Bewinner Air Conduction Headphones. These are two very different answers to the same question: how do I stay light on my head?
• APZXTRK 2-in-1 — biggest strength: A 2-pack of wireless earbuds with two different shapes (half in-ear and over-ear), Bluetooth 5.4, a digital battery display, and roughly 6 hours per charge with a case that keeps topping them up.
• APZXTRK 2-in-1 — biggest trade-off: It's a 1.5-ounce kit with a case, not a single pair, and only one pair can be used at a time — so the "2-in-1" is about flexibility and backup, not two people listening together.
• Bewinner Air Conduction Headphones — biggest strength: A genuinely tiny 29-gram open-ear design with an AI noise-cancelling mic, a 270° adjustable boom, IPX6 water resistance, and Bluetooth 5.3 with 2-device multipoint.
• Bewinner Air Conduction Headphones — biggest trade-off: It's one headset, not a set; air conduction deliberately lets outside sound in, and the spec sheet lists no playback-hour figure, so I can only judge it on the 150mAh battery and its low weight.
• Buy APZXTRK 2-in-1 if you want earbuds you can sleep in and a spare pair for the gym without buying two products.
• Buy Bewinner Air Conduction Headphones if you run, cycle, or take a lot of calls and need your ears open to the world.
The APZXTRK 2-in-1 is built around a simple idea: one package, two earbud shapes, one charging case. You get a half in-ear pair for active use and an over-ear pair designed for side sleepers, plus a black-and-yellow case with an LED digital display that shows battery status for both the buds and the case itself. Bluetooth 5.4 gives a stable link up to 33 feet, and the whole kit weighs 1.5 ounces — light enough that the case disappears in a pocket and the over-ear pair is meant to sit flat enough that a pillow doesn't fight you.
The spec that matters most here is the battery picture. A single charge runs about 6 hours, and with the case factored in the description puts total playback north of 30 hours. Quick charging refills in roughly 1.5 hours over USB-C, and the touch controls handle playback and calls without you reaching for your phone. There's a built-in mic for calls, 32-ohm impedance, dynamic drivers and a 20 Hz–20,000 Hz frequency range, plus passive noise cancellation and a water-resistant build. The driver size is listed as 5 inches in the item details, which reads like a spec-sheet quirk rather than a physical measurement — I'd treat the sound as standard compact dynamic-driver earbud sound, not audiophile gear.
Who should buy it? Side sleepers who've given up on normal earbuds. People who want a gym pair and a sleep pair without paying for two separate products. Anyone who likes seeing battery percentage at a glance instead of guessing. It's also a sensible pick for a household where two people want their own pair — one wears the half in-ear set, the other uses the over-ear set, just not at the same moment.
Who should skip it? If you need one pair for serious running in the rain, the open-ear awareness of the Bewinner is a better fit. And if you want to share music with someone sitting next to you, this isn't that — only one pair connects at a time. The model pairs as "sk35" and works with iPhone, Android, tablets and laptops, so compatibility isn't the issue; the shape of your day is.
The Bewinner headset takes the opposite approach: instead of plugging your ears, it sits outside them and pipes sound in while leaving your ear canal open. That's the whole point of air conduction, and it's why the design is compatible with glasses, hats and helmets. At roughly 29 grams — about 1.02 ounces — it's the kind of thing you forget you're wearing, which matters on a long run or a full day of back-to-back calls. The ear placement is listed as in-ear, but the tech and the ergonomic fit description make the intent clear: open, aware, unobtrusive.
The call side is where Bewinner clearly invested. There's an AI noise-cancelling microphone, a one-touch mute key, and a 270° adjustable boom you can swing toward your mouth for Zoom meetings or leave tucked away when you're jogging. Bluetooth 5.3 holds a connection up to 49 feet and supports 2-device multipoint, so you can be paired to a laptop and a phone and hop between them without re-pairing anything. The 150mAh built-in polymer battery powers all of it, and the IPX6 rating means sweat and rain splashes are within its comfort zone. Charging is over USB-C, and the shell is PC+ABS. It's ready to use out of the box.
Who should buy it? Runners, cyclists and walkers who refuse to be deaf to traffic. People who wear a helmet or a cap and can't fit normal headphones underneath. Remote workers who live in video calls and want a mute button within reach. Anyone who finds 29 grams easier to tolerate than a band pressing on their skull for hours.
Who should skip it? If you want isolation — on a plane, on a noisy train, in a shared office — air conduction is the wrong tool, because it's designed to let the world in. And if you want a second pair for sleeping, this isn't it; the boom mic and open fit aren't built for a pillow. There's also no playback-time figure on the spec sheet, so I'd plan around a 150mAh battery rather than assume marathon sessions.
• Best for ultra-light wear → Bewinner Air Conduction Headphones. 29 grams (about 1.02 oz) versus a 1.5-ounce kit on the APZXTRK side. For a single item on your head, Bewinner is the lighter answer.
• Best for sleep and side sleeping → APZXTRK 2-in-1. The over-ear pair exists specifically for that, and the half in-ear pair covers the rest of your day.
• Best for calls and meetings → Bewinner Air Conduction Headphones. AI noise-cancelling mic, one-touch mute, 270° adjustable boom, multipoint to laptop and phone.
• Best for outdoor awareness → Bewinner Air Conduction Headphones. Open-ear design keeps you tuned in to traffic and surroundings; APZXTRK uses passive noise cancellation, which blocks some of that out.
• Best for sweat and rain → Bewinner Air Conduction Headphones. IPX6 is an explicit water-resistance rating; APZXTRK only states "water-resistant" without a number.
• Best for battery visibility and total playtime → APZXTRK 2-in-1. About 6 hours per charge, 30+ hours with the case, 1.5-hour USB-C quick charge, and an LED display showing case and bud levels.
• Best for two people or a backup pair → APZXTRK 2-in-1. Two complete pairs in one box — remembering only one connects at a time.
• Best for wireless range and newer Bluetooth → split decision. APZXTRK has Bluetooth 5.4 at 33 feet; Bewinner has 5.3 at 49 feet plus multipoint. Newer version on one side, longer reach and dual pairing on the other.
If I had to pick one, I'd buy the Bewinner Air Conduction Headphones. In my opinion, the 29-gram open-ear build is the more convincing answer to "ultra lightweight headphones," and the practical package — AI noise-cancelling mic, one-touch mute, 270° boom, IPX6, multipoint — covers the running, commuting and calling that most people actually do with a headset. The APZXTRK 2-in-1 is the smarter buy only if sleep is your priority or you specifically want two pairs in one box; its 6-hour runtime and battery display are genuinely useful, but it's a 1.5-ounce kit rather than a single featherweight device. Decide which job matters more, and the choice makes itself.
Yes — the package includes two complete pairs plus one charging case, one half in-ear and one over-ear. Only one pair can connect and play at a time, so think of the second pair as a backup or a different-shape option, not a shared listening setup.
I wouldn't plan on it. The open-ear design and the adjustable boom mic are aimed at running, workouts and calls, and the spec sheet doesn't describe a sleep-oriented fit. For side sleeping, the APZXTRK over-ear pair is the one designed for that job.
The Bewinner headset is listed at roughly 29 grams (about 1.02 oz), which is the lighter single device. The APZXTRK figure of 1.5 ounces covers the kit including the charging case, so it's not a like-for-like comparison — but on your head, Bewinner is the featherweight.
Neither is active noise cancelling. APZXTRK uses passive noise cancellation, which reduces some ambient sound by sealing the ear. Bewinner's air conduction design deliberately lets sound in so you stay aware. Pick based on whether you want the world muffled or audible.
I don't quote prices here because they change. Use the "Check latest price on Amazon" button on this page to see the current figure for either model before you decide.
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See also: Panasonic RPHX35K vs Aumotop Air Conduction V5.3, MENDED Bone Conduction Headphones vs JrnyEote OWS-G206, YouthWhisper Bone Conduction Headphones vs Sudio A3