We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-29 · 6 min read · Independent comparison
If you want a headphone you can wear in the pool and keep listening to when Bluetooth stops working underwater, choose Roujune Bone Conduction Headphones; if you need all-day battery, a charging case and a mic that keeps your voice clear on calls, choose Groovz Plus True. These two look like rivals on a search results page, but they are built for completely different jobs.
• Roujune Bone Conduction Headphones biggest strength: bone conduction drivers paired with an IPX8 waterproof rating and a built-in MP3 mode with 32GB of onboard storage — it plays music with no phone and no signal, even fully submerged.
• Roujune Bone Conduction Headphones biggest trade-off: 8 hours of battery and no microphone or noise control, so it is a solo listening tool, not a calling tool.
• Groovz Plus True biggest strength: up to 46 hours of total playtime with the charging case, dual microphones with noise reduction and wireless Qi charging — a proper everyday earbud.
• Groovz Plus True biggest trade-off: IPX4 water resistance means sweat and light rain are fine, but swimming is out, and there is no onboard memory to fall back on when your phone is not around.
• Who each is for: Roujune Bone Conduction Headphones for swimmers and open-ear listeners; Groovz Plus True for commuters, gym-goers and anyone on calls all day.
This is a single-purpose product, and it is refreshingly honest about it. The X20 uses a bone conduction driver with a 20 Hz – 20,000 Hz frequency range, and the earpiece sits open-ear against your cheekbone rather than inside your ear canal. That design choice matters for two reasons: you keep your ear canals clear, and you stay aware of what is happening around you. The enclosure is metal, the colour is Apricot, and the fit is described as secure — which is exactly what you want when you are moving your head in water.
The headline feature is the combination of IPX8 waterproofing and MP3 mode with 32GB of built-in memory. That solves the one problem that kills Bluetooth headphones in a pool: Bluetooth signals simply cannot travel through water. So Roujune gives you a second path — load your files onto the internal storage, double-press the power button to leave Bluetooth mode, and the headphones play from memory with no phone involved. The supported file formats are MP3, WMA, FLAC, APE and WAV, so most people's existing libraries will work. Bluetooth 5.4 handles the dry-land half of your day, and the battery is rated at 8 hours. There is a 2-year manufacturer warranty, which is a reasonable signal of confidence for a product that is expected to get wet.
Who should buy it? Swimmers first, without question. Also open-ear listeners who dislike things jammed into their ear canals, and people who want music during a workout or a run without carrying a phone. Who should skip it? Anyone who takes calls on their headphones — there is no microphone and no noise control here. Anyone who wants all-day battery should also look elsewhere, because 8 hours is a session, not a week.
The Groovz Plus True is the opposite philosophy: a conventional pair of true wireless in-ear buds, designed to disappear into your routine. Bluetooth 5.4 gives you fast, stable pairing with Apple or Android devices, and smart touch controls handle playback and calls without you reaching for your phone. That is the baseline in this category, and Groovz meets it.
Where it pulls ahead is stamina and calling. The earbuds themselves are rated at 6.45 hours, and the charging case extends that to a total of 46 hours. There is an LED battery display on the case so you can see where you stand instead of guessing, and the case itself charges wirelessly on any Qi-certified pad — no cable hunting required, though the pad is not included. Dual microphones with noise reduction are the other half of the story: this is a product built for phone calls, video meetings and voice notes, not just music. The earpiece is in-ear with three tip sizes (S, M, L), so you can actually get a seal, and IPX4 water resistance covers sweat, drizzle and the occasional splash. The Oil Slick finish and the range of colour options are clearly aimed at people who care how their gear looks.
Who should buy it? Commuters, gym-goers, remote workers on calls, and anyone who wants one pair of earbuds to cover the whole day. Who should skip it? Swimmers, and anyone who wants to leave the phone at home — with no onboard storage and IPX4 rather than IPX8, this is not a water or wire-free-listening product.
Side-by-Side: Which Should You Choose?
• Best for battery life → Groovz Plus True. Up to 46 hours total with the case against Roujune's 8 hours; there is no contest on endurance.
• Best for phone calls → Groovz Plus True. Dual microphones with noise reduction versus no microphone at all on the Roujune.
• Best for listening without a phone → Roujune Bone Conduction Headphones. 32GB of internal memory and MP3 mode mean the phone can stay in the locker.
• Best for situational awareness → Roujune Bone Conduction Headphones. The open-ear design leaves your ear canals unobstructed, so you hear traffic and surroundings.
• Best for fit and comfort tuning → Groovz Plus True. Three ear tip sizes let you dial in the seal; the Roujune relies on a single secure-fit open-ear shape.
• Best for charging convenience → Groovz Plus True. Qi wireless charging on the case plus an LED battery readout is genuinely handy.
• Best for sweat and rain → Groovz Plus True is rated IPX4 and will handle both, but only Roujune's IPX8 goes further and actually tolerates full immersion.
If I had to pick one for myself, I would buy the Groovz Plus True. In my opinion it is the more useful object for an ordinary week — the 46-hour total battery, the dual mics and the wireless charging case cover commuting, workouts and calls without me thinking about any of it. The Roujune Bone Conduction Headphones is the better specialist, and if you swim or want open-ear awareness it is the one I would recommend without hesitation. But as a single pair of headphones for daily life, the Groovz Plus True wins on flexibility. Check the current price on Amazon before you commit, since both sit in very different spots depending on the day.
Yes — that is what they are built for. They carry an IPX8 waterproof rating and an MP3 mode with 32GB of internal storage, because Bluetooth cannot transmit through water. Load your files, switch to MP3 mode and they play without a phone.
No. They are rated IPX4, which covers sweat, splashes and light rain, but not immersion. Treat them as gym and commute earbuds, not pool earbuds.
Groovz Plus True, clearly. The earbuds are rated at 6.45 hours and the case brings the total to 46 hours, while the Roujune is rated at 8 hours with no charging case.
Not really. The data sheet lists no microphone and no noise control, so it is a listening-only product. If calls matter, the Groovz Plus True with its dual microphones and noise reduction is the one to pick.
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