If you want rugged, underwater-ready bone conduction headphones with built-in storage for swimming or intense water sports, choose ZOVIMAX Bone Conduction Headphones; if you need all-day battery life, a lightweight clip-on design, and superior comfort for long fishing sessions on land, choose Oraolo Open Ear AC339.
• ZOVIMAX: Delivers IPX8 waterproofing and 8GB internal storage for phone-free swimming, but lacks the extended battery life of standard earbuds. Best for swimmers and athletes who need to go deep without a phone.
• Oraolo: Offers an impressive 40-hour playback window and a comfortable clamp-over fit, though it is only IPX6 rated for sweat and rain. Best for anglers and runners who prioritize battery longevity and comfort over submersion.
• Both utilize Bluetooth 6.0 for stable connectivity, yet they serve fundamentally different environments: one conquers the pool, the other conquers the day.
The ZOVIMAX X7 MAX is engineered for those who refuse to leave their music behind when they hit the water. Its standout feature is the dual-mode capability: it functions as a standard Bluetooth 6.0 device on land, but switches seamlessly into MP3 mode for underwater use. This isn't just a splash-proof gadget; it carries an IPX8 rating that allows full submersion up to five meters deep for two and a half hours. For anyone serious about swimming, diving, or working out in wet conditions where a phone might get damaged, this is the only logical choice. The inclusion of 8GB of internal memory means you can store up to 2,000 songs directly on the device, freeing you from carrying a phone while you train.
The design philosophy here is safety and immersion. By using bone conduction technology, these headphones sit open to the ear rather than blocking it. This allows you to hear your surroundings while listening to your playlist, a critical safety feature for open-water swimmers or runners near traffic. The adjustable strap ensures a secure fit across different head sizes, preventing them from slipping during vigorous movement. With 14.2mm dynamic drivers, the audio output is surprisingly rich, offering crisp highs and deeper bass than many budget alternatives, which helps maintain energy levels during grueling workouts.
However, this versatility comes with specific trade-offs. You must remember to switch modes; Bluetooth does not work underwater, so you have to toggle to MP3 mode before jumping in. Additionally, while the battery life supports up to eight hours of continuous playback, it falls short compared to the massive capacity of some competing earbuds. If your primary use case involves sitting by a lake casting a line for six hours straight without needing to swim, the ZOVIMAX might feel like overkill. It is a powerhouse for aquatic performance, but its battery and charging requirements (a two-hour charge time) are best suited for shorter, high-intensity sessions rather than marathon days.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-25 · 6 min read · Independent comparison
The Oraolo Open Ear AC339 is built for endurance and comfort above all else. If you spend long hours outdoors—whether hiking, running, or waiting patiently on a fishing dock—this unit addresses the most common complaint with wireless audio: battery anxiety. With a claimed playback time of up to 40 hours, you can go weeks between charges with moderate daily use. The device features a digital display that shows real-time battery levels, so you never guess how much power is left. This level of reliability is essential for outdoor enthusiasts who cannot afford to be stranded mid-session with dead batteries.
The form factor is equally compelling for long-duration wear. The clamp-over design rests gently on the cheekbones without inserting anything into the ear canal. This open-ear architecture promotes airflow, keeping ears cool and preventing the sweaty discomfort that plagues traditional in-ear models. Despite being an "open" design, the audio quality remains immersive thanks to high-fidelity stereo sound, ensuring your music doesn't sound tinny or distant. The touch controls allow for easy management of tracks and calls without breaking your rhythm, and the IPX6 rating provides solid protection against heavy sweat and rain, making it suitable for intense weather conditions.
That said, the Oraolo AC339 is not designed for submersion. While IPX6 protects against powerful water jets, it cannot handle full immersion like the ZOVIMAX. If you plan to take these into a pool or a shower, you risk damaging the electronics. Furthermore, unlike the ZOVIMAX, it lacks internal storage for offline playback; you must keep your phone paired via Bluetooth 6.0 to play music. This makes it less ideal for runners who want to leave their phones at home for a light run, but perfect for those who always carry their device and want it to last as long as their activity does. It is the ultimate companion for the active person who values longevity and comfort over water resistance.
• Best for underwater activities → ZOVIMAX Bone Conduction Headphones (IPX8 rating and MP3 mode for swimming).
• Best for long-duration outdoor use → Oraolo Open Ear AC339 (40-hour battery life vs. 8 hours).
• Best for hands-free music storage → ZOVIMAX Bone Conduction Headphones (8GB internal memory for 2,000 songs).
• Best for visual battery monitoring → Oraolo Open Ear AC339 (Digital display showing exact charge percentage).
• Best for extreme water exposure → ZOVIMAX Bone Conduction Headphones (Withstands 5 meters depth).
• Best for lightweight, pressure-free comfort → Oraolo Open Ear AC339 (Clamp-over design reduces ear fatigue).
• Best for quick charging → ZOVIMAX Bone Conduction Headphones (Full charge in 2 hours).
• Best for all-weather durability → Oraolo Open Ear AC339 (IPX6 rating handles heavy rain and sweat effectively).
After weighing the specifications and intended use cases, I would personally buy the Oraolo Open Ear AC339. While the ZOVIMAX is a marvel of engineering for swimmers, my daily routine—and the needs of most buyers looking for the best open ear earbuds for fishing—revolves around staying dry, comfortable, and powered up for hours. The Oraolo's 40-hour battery life eliminates the constant worry of recharging, and the clamp-over design offers a level of comfort that feels invisible after a few minutes. For a fisherman or hiker, knowing exactly how much battery remains via the digital display is far more valuable than having internal storage you rarely use. In my opinion, the Oraolo strikes the perfect balance between audio quality, battery endurance, and ergonomic design for land-based outdoor adventures.
Neither the ZOVIMAX nor the Oraolo AC339 features active noise cancellation. Both rely on open-ear designs that allow ambient sound to pass through, which is actually safer for fishing so you can hear boats, birds, or other people nearby.
For swimmers, the ZOVIMAX is the clear winner because it is IPX8 rated and includes internal MP3 storage. The Oraolo AC339 is only IPX6 rated and requires a phone connection, making it unsuitable for underwater use.
The Oraolo AC339 features dedicated touch controls for managing music and calls, providing a modern interface. The ZOVIMAX relies on physical button presses (double-clicks) to switch between Bluetooth and MP3 modes, which is a more tactile, mechanical approach.
Yes, both are suitable for running in the rain. The ZOVIMAX offers superior protection with IPX8 ratings, while the Oraolo AC339 handles sweat and rain well with its IPX6 rating, ensuring neither will fail during typical wet-weather workouts.
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.