How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a headphone you can actually wear in the water, choose Opinta Swimming Headphones; if you need an all-day open-ear pair for calls, commutes and dry-land training, choose BUGANI Open Ear Headphones.
• Opinta's biggest strength: IPX8 waterproofing plus a built-in 32GB MP3 player, so it keeps playing where Bluetooth simply cannot go — underwater.
• Opinta's biggest trade-off: Bluetooth does not work below the surface, so you must switch to MP3 mode before you get in, and you have to manage your own music files.
• BUGANI's biggest strength: Up to 60 hours of total playtime with the charging case and an ENC noise-cancelling mic that is built for clear voice calls.
• BUGANI's biggest trade-off: IPX5 only resists sweat, rain and splashes — it is not a swimming product, and it never claims to be.
• Who each is for: Opinta is for swimmers and divers who want music in the pool; BUGANI is for runners, cyclists, gym-goers and commuters who live on calls.
The Opinta set is built around one idea: bone conduction audio that survives being submerged. The IPX8 rating means it is designed to handle underwater use to roughly 3 metres of depth, along with sweat, rain and dust. Instead of pushing sound into your ear canal, it sends vibration through the cheekbone area, which is why it can work in water at all — and why your ears stay open to what's happening around you.
The second half of the story is the 32GB of built-in memory. That is the piece that makes pool sessions possible, because Bluetooth signals do not travel through water. You load your music onto the player, switch to MP3 mode before you get wet, and the headphones keep going while the phone stays in your bag. In Bluetooth mode you get version 5.4 for normal dry-land use — running, cycling, walking, driving — and a 200mAh battery rated for up to 8 hours of playback or talk time on a 2-hour charge. At 30g with a soft silicone build, it is light enough to forget about, and the open design doesn't fight with hats or glasses.
Who should buy it: swimmers, divers, and anyone doing marathon-style training who wants audio that doesn't quit when it gets wet. The multi-function buttons cover mode switching, play/pause, track skipping and calls, so you're not fumbling with a phone at the poolside.
Who should skip it: if you mostly want a pair for phone calls and long listening days, the MP3 workflow and underwater-first design are more than you need. Also note the practical housekeeping — the magnetic charging port needs to be dry before you charge, and the package includes an adjustment strap if the fit feels loose.
BUGANI takes the open-ear concept in a completely different direction: everyday wear and voice calls. The earhook design rests on your ears rather than inside the canal, so there's no pressure build-up over long stretches and you keep full awareness of traffic, other people and your surroundings. That's the safety argument for running and cycling, and it holds up.
The headline number here is playtime. BUGANI quotes 8–10 hours on a single charge, with the charging case stretching total listening to around 60 hours. A 1.5-hour charge time and Bluetooth 5.4 with a 33-foot range round out the wireless side — take them out of the case and they pair automatically with a phone, tablet or laptop. If you're the type who hates hunting for a charger mid-week, this is the design that fixes that.
The other standout is the microphone. ENC (Environmental Noise Cancellation) is there specifically to pull your voice out of background noise — a noisy gym, a windy street, a busy office — so calls come through clearly on the other end. Touch controls handle playback, and the audio hardware is a dynamic driver with 32 ohm impedance, a 20Hz frequency response and 98dB sensitivity, plus a quoted 1ms latency figure that matters if you watch video or game on the move.
Who should buy it: commuters, office workers, gym-goers, runners and cyclists who take a lot of calls and want a case that keeps them going for days. Who should skip it: swimmers, and anyone who wants to submerge their headphones. IPX5 shrugs off sweat and rain, but it is not built for the pool, and there's no onboard memory — it's a Bluetooth-only product.
• Best for swimming and underwater use → Opinta Swimming Headphones. IPX8 to about 3m depth is the whole point of this pair.
• Best for battery life and travel → BUGANI Open Ear Headphones. 8–10 hours per charge and up to 60 hours with the case.
• Best for phone calls → BUGANI Open Ear Headphones. The ENC noise-cancelling mic is designed for clear voice pickup in loud places.
• Best for leaving your phone behind → Opinta Swimming Headphones. 32GB of built-in memory means no phone required.
• Best for everyday comfort and open-ear safety → both, but for different reasons. Opinta at 30g suits hats and glasses; BUGANI's earhooks are tuned for long daily wear.
• Best for gym, yoga and sweaty indoor workouts → BUGANI Open Ear Headphones. IPX5 handles sweat and moisture without complaint.
• Best for runners and cyclists who want awareness plus music → either one. Both keep your ears open, so pick based on whether you need calls (BUGANI) or waterproofing (Opinta).
• Best for someone who wants one pair for everything → BUGANI Open Ear Headphones, unless "everything" includes swimming.
In my opinion, most people should buy the BUGANI Open Ear Headphones. The 60-hour total playtime, the ENC mic and the automatic pairing make it the better daily companion for commutes, calls and gym sessions, and IPX5 is genuinely enough for sweat and rain. I'd only steer you to the Opinta Swimming Headphones if water is the whole reason you're shopping — but if it is, nothing on the BUGANI side can follow you into the pool, and the 32GB MP3 mode is what makes the Opinta pair work where Bluetooth can't. Decide which of those two lives you actually live, and the choice makes itself.
FAQ
I wouldn't. They carry an IPX5 rating, which is designed for sweat, rain and moisture, not submersion. They're a sports and daily-wear pair for running, cycling, gym and office use.
The BUGANI pair, clearly. It has a built-in microphone with Environmental Noise Cancellation to filter background noise. The Opinta set does support calls over Bluetooth 5.4, but its design centres on music playback in water.
You can't get both in one of these. Pick based on your primary activity: swimming and underwater training point to Opinta and its MP3 mode; calls, commutes and long battery life point to BUGANI. If price matters to your decision, check the current price on Amazon before you commit.
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See also: Audiosavings Novation FLkey 49 vs Kellards HD 480, Oaxis myFirst Carebuds Kids vs Mchoi Hard Carrying Case, Howard Leight Honeywell Leightning L3 vs MAIRDI Telephone Headset, OpenRock Ear Clip-On Earbuds vs GREYOLK Swimming Headphones