We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-24 · 7 min read · Independent comparison
If you want an open-ear, bone-conduction design with a longer battery window and a more current Bluetooth spec for long runs and all-day wear, choose KOAIEZ IP7; if you need traditional in-ear earbuds with a bass-forward sound and passive noise cancelling for sweaty gym sessions, choose Dohaeris IPX7.
• KOAIEZ IP7 — biggest strength: bone-conduction, open-ear design (nothing goes inside your ear canal) with Bluetooth 5.3 and a 6–10 hour playback window from a 2-hour charge.
• KOAIEZ IP7 — biggest trade-off: open-ear sound means you won't get the deep, sealed-in bass or the noise isolation that in-ear buds deliver.
• Dohaeris IPX7 — biggest strength: in-ear fit with silicone ear hooks, Bluetooth 5.0, passive noise cancelling and a bass-tuned sound — plus a 15-minute quick charge that yields over an hour of playback.
• Dohaeris IPX7 — biggest trade-off: shorter playback (5–6 hours) and an older Bluetooth version, and IPX7 protection here is described with a nano coating rather than an open-ear shell.
• Who each pick is for: KOAIEZ IP7 suits runners, cyclists and drivers who want to stay aware of traffic and their surroundings; Dohaeris IPX7 suits gym-goers and lifters who want sealed, bass-heavy sound and don't need to hear the world around them.
The KOAIEZ IP7 is a bone-conduction headphone, which is the single most important thing to understand about it. Instead of pushing a speaker into your ear canal, it sends sound through your cheekbone to the cochlea. In practice that means your ears stay completely open. You hear your podcast and you hear the car behind you. For anyone running on roads, cycling in traffic, or hiking on shared trails, that awareness is the whole point.
The build backs that up. A skin-friendly silicone neckband wraps in comfortable rubber and "hugs" the head, with loops that sit over the tops of your ears — so the design intent is a headphone that stays put without clamping down. It's described as small, lightweight and pocketable, and the manufacturer claims you won't feel pain even after prolonged wear. Bluetooth 5.3 gives you a strong, stable connection with multi-pairing, and the 6–10 hour playback (from a 2-hour charge) covers most training sessions and commutes. The spec sheet also lists a 10m transmission range and bilateral stereo.
One honest note on the specs: the bullet points list 6–10 hours of battery life, while a separate line in the same sheet lists "40 hours or more." Those two figures don't agree, so treat the 6–10 hour number as the realistic per-charge window and don't bank on the higher figure until you confirm it. A built-in mic handles calls, and the box includes the headphones, a user manual and a charging cable.
Dohaeris IPX7: Who It's For
The Dohaeris IPX7 takes the opposite approach: it's a traditional in-ear sports headphone with silicone ear hooks. Rather than leaving your ears open, it seals them. The payoff is sound — Bluetooth 5.0 with HD stereo and what the manufacturer describes as superb bass. If your workout soundtrack is hip-hop, EDM or anything where low-end punch matters, an in-ear seal gives you something an open-ear design physically can't.
It also adds passive noise cancelling, which reduces background noise around you. In a busy gym with clanging weights and blaring speakers, that's a real advantage — and it's the exact opposite of the KOAIEZ's awareness-first philosophy. The ergonomic shape and silicone hooks are there to keep the buds from working loose mid-run, and the remote control sits near your right ear for volume, track skipping, play/pause and answering or rejecting calls. There's also an in-ear voice prompt function that announces status and reports incoming phone numbers.
Battery is where it gives ground. Playback runs up to 5–6 hours, and a full charge takes 1–2 hours. The saving grace is a quick-charge feature: 15 minutes gets you over an hour of playback, with a full-charge light indicator. Operating distance is up to 33ft in open space, and it supports double connection — pairing with two Bluetooth devices at once. The enclosure is plastic, the color is black, and IPX7 protection is described as nano-coating based, meaning it's built to shrug off sweat and water splashes during sport.
Who should buy it: gym-goers, lifters, treadmill runners and anyone who wants sealed, bass-heavy sound with noise reduction. Who should skip it: outdoor runners and cyclists who need to hear traffic, and anyone who dislikes the plugged-up feeling of in-ear buds.
• Best for outdoor safety and awareness → KOAIEZ IP7. The open-ear bone-conduction design keeps your ear canal clear so you can hear cars, other runners and your surroundings.
• Best for bass and sealed sound → Dohaeris IPX7. In-ear fit plus HD stereo and superb bass gives you low-end an open-ear design can't match.
• Best for blocking out gym noise → Dohaeris IPX7. Passive noise cancelling reduces background sound; the KOAIEZ deliberately does the opposite.
• Best for longer sessions per charge → KOAIEZ IP7. 6–10 hours of playback versus 5–6 hours on the Dohaeris.
• Best for a fast top-up → Dohaeris IPX7. 15 minutes of charging yields over an hour of playback.
• Best for the newest Bluetooth → KOAIEZ IP7. Bluetooth 5.3 with multi-pairing versus Bluetooth 5.0.
• Best for comfort over long wear → KOAIEZ IP7. The rubber-wrapped neckband and over-ear loops are designed to avoid in-ear pressure entirely.
• Best for call handling and controls → Dohaeris IPX7. A near-ear remote handles volume, tracks, calls and voice prompts; the KOAIEZ relies on a built-in mic without a described remote.
Both are IPX7-rated, so sweat and rain resistance is a wash — that's the one spec where you genuinely don't have to choose.
If I were buying for myself, I'd pick the KOAIEZ IP7. The reason is simple: I run and ride outdoors, and staying aware of traffic matters more to me than bass depth. The 6–10 hour playback and Bluetooth 5.3 are practical bonuses on top of that. In my opinion, the Dohaeris IPX7 is the better choice if your workouts happen indoors and you want sealed, bass-heavy sound with noise cancelling — that's a genuine strength, not a consolation prize. Match the design to where you train and you'll be happy either way. Check the current price on Amazon before you commit, since that's the one thing that can tip a close call.
are headphones waterproof
It depends on the rating, not the word on the box. Both headphones here are rated IPX7, which means they're designed to withstand water immersion to a specified depth for a limited time — so sweat, rain and splashes during sport are well within their design intent. No headphone is truly "waterproof" forever, so treat IPX7 as strong water resistance for workouts rather than a license to swim with them.
are headphones water resistant
Yes — and water resistance is the more accurate way to describe almost every sports headphone. An IP rating like IPX7 tells you how well the electronics are protected from moisture, and both the KOAIEZ IP7 and Dohaeris IPX7 carry the same IPX7 rating. The Dohaeris achieves it with a nano coating, while the KOAIEZ relies on its open-ear build. Either way, that rating is what makes them suitable for running, cycling and gym use.
The KOAIEZ IP7 has the longer window: 6–10 hours of continuous playback from a 2-hour charge. The Dohaeris IPX7 runs up to 5–6 hours and takes 1–2 hours to charge fully. The Dohaeris does offer a quick-charge advantage — 15 minutes of charging gives you over an hour of playback — so it's better for short top-ups even though the KOAIEZ wins on total runtime.
The KOAIEZ IP7, without question. Its bone-conduction, open-ear design leaves your ear canal open so you can hear cars, bikes and other people around you. The Dohaeris IPX7 seals your ears and adds passive noise cancelling, which is great in a gym but the wrong choice on a road or shared path where you need to hear what's coming.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: AWEI T95 vs CHENRUIDA Clip: Ipx6 Waterproof Headphones, BNARQP NE49 vs JBMI Earbuds: Ipx5 Waterproof Headphones, Yeabomy Clip vs USBERG Sports Earbuds IPX7: Touch Control