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If you want serious all-day battery life and a charging case that doubles as a power bank for remote work, choose VOLT PLUS TECH PRO; if you need headphones you can actually wear in the water, choose Hostena Full-Coverage Liquid Silicone. That's the whole decision in one line. One is built for long desk days and noisy rooms; the other is built for the pool. Here's how I'd think it through before you buy.
• VOLT PLUS TECH PRO — biggest strength: a 2,000mAh power case with an LED readout and a claimed 36 hours of total listening, plus Bluetooth 5.3 and CVC 8.0 noise reduction for calls.
• VOLT PLUS TECH PRO — biggest trade-off: IPX4 is splash and sweat resistance only. It handles rain and gym sweat, not swimming or a dunk.
• Hostena Full-Coverage Liquid Silicone — biggest strength: IP68 waterproofing rated to two meters underwater, with 32GB of built-in storage so you can swim with music and no phone.
• Hostena Full-Coverage Liquid Silicone — biggest trade-off: it's an open-ear bone conduction design with no noise control at all, and Bluetooth simply doesn't work underwater — you have to switch to MP3 mode.
• Who each is for: VOLT PLUS TECH PRO for the remote worker who lives on calls and wants one charge to last the week; Hostena for the swimmer who wants music in the water and needs to hear what's around them.
This is a spec sheet written for people who hate charging. The case holds a 2,000mAh battery, the earbuds are rated for roughly 6–8 hours per session, and VOLT PLUS TECH claims up to 36 hours of total use before the case itself needs a cable. A full recharge takes about two hours. There's a small LED display on the case that shows the actual power level of both the case and the buds, which sounds minor until you've owned a pair of earbuds that died mid-meeting with no warning.
The connection side is Bluetooth 5.3 with a stated 33-foot range, and the chip handles auto-pairing when you pull the buds out. For calls, CVC 8.0 noise reduction is the headline feature, and the company claims it cuts noise by up to 25 dB. There are four microphones, touch controls for play/pause, track skipping and volume, and the buds can run in single or dual mode, so you can take one out and keep working. Audio is a 26mm dynamic driver with 8D bass processing, 25.94 ohm impedance, 103 dB sensitivity and a claimed 9ms latency — the low latency number matters if you're watching video or on a live call.
Where it fits: best on ear headphones for remote work is the phrase people search, and this is the flavor of product they mean. Long battery, a case that can top up a phone in a pinch, noise reduction for open-plan rooms, and a design that survives sweat and rain at IPX4.
Who should skip it: anyone who wants to swim. IPX4 is daily-life water resistance — rain, sweat, the gym. It is not submersible, and I wouldn't push it. It's also an in-ear bud, so if you want to hear your surroundings or you find buds uncomfortable over a long day, this isn't the shape for you. It ships with small and large earbud tips, a USB cable and a one-year manufacturer warranty.
The Hostena is a completely different animal, and the specs make that obvious. The rating is IP68, and the marketing specifically describes diving up to two meters without damage. The enclosure is liquid silicone, which is what gives the "full-coverage" name — it's soft against the skin and designed to sit alongside a swim cap and goggles rather than fight them.
The technology is bone conduction with an open-ear fit. Nothing goes inside your ear canal. Sound travels through the bone, which means your ears stay open to the pool deck, other swimmers and whatever else is happening around you. If you've been looking for best transparency mode earbuds for remote work, this is the natural-fit philosophy taken to its extreme — except there's no electronic transparency mode here, there's simply no occlusion at all. Noise control is listed as none, which is the honest description of an open-ear design.
The clever part is the storage. There's 32GB of built-in memory, rated for up to 8,000 songs, supporting MP3, WMA, WAV, APE and FLAC. That exists because Bluetooth doesn't transmit underwater — Hostena says plainly that you must switch to MP3 mode before you get in the pool. You load files from a computer over the magnetic charging cable. Battery is up to 8 hours of continuous use with a 1.5-hour charge time and up to 90 hours of standby. Weight is 3.68 ounces, and the fit is described as lightweight and secure for intense activity. It ships in Lilac with the headphones, a magnetic charging cable and a manual, backed by a one-year warranty.
Who should skip it: anyone who wants noise cancellation, deep bass isolation, or Bluetooth convenience while swimming. It's also not the pick if you mainly want earbuds for calls at a desk — there's no noise control and no mention of call-focused processing.
Side-by-Side: Which Should You Choose?
• Best for swimming → Hostena Full-Coverage Liquid Silicone. IP68 rated to two meters versus IPX4 splash resistance. Not close.
• Best for calls and meetings → VOLT PLUS TECH PRO. CVC 8.0 noise reduction, quad mics, touch controls and single-bud mode.
• Best for staying aware of your surroundings → Hostena. Open-ear bone conduction keeps your ears free; the VOLT is an in-ear design with active noise cancellation.
• Best for leaving your phone behind → Hostena. 32GB of onboard storage means no phone required at all.
• Best for low-latency video and audio → VOLT PLUS TECH PRO. It lists a 9ms latency figure; Hostena doesn't publish one.
• Best for open-ear comfort over long sessions → Hostena. Liquid silicone and a bone conduction fit, though with zero noise control.
• Best all-rounder for a home office → VOLT PLUS TECH PRO, in my opinion. Battery, calls and noise reduction are what a remote-work day actually demands.
For remote work, I'd buy the VOLT PLUS TECH PRO. The 36-hour power case, the LED battery display, Bluetooth 5.3 and CVC 8.0 noise reduction are exactly the features that get you through back-to-back calls without scrambling for a charger, and IPX4 covers the rain-on-the-walk and coffee-spill realities of a desk day. The Hostena is the better product for one specific job — swimming — and it does that job in a way the VOLT simply can't. So the honest split is this: desk and calls, go VOLT; pool, go Hostena. If you're deciding on value, check the current price on Amazon before you commit, because the two sit in very different feature brackets.
FAQ
can i wear waterproof headphones in the shower
are headphones waterproof
Not all of them — the term gets used loosely. IPX4, which the VOLT PLUS TECH PRO carries, means splash and sweat resistance only. IP68, which the Hostena carries, means it can be submerged to a stated depth. Always match the rating to what you're actually doing, not to the word "waterproof."
do bone conduction headphones work underwater
The Hostena can be used underwater, but only in MP3 mode — Hostena states clearly that Bluetooth won't function underwater, which is exactly why the 32GB of onboard memory exists. Load your music onto the headphones first, switch modes, then get in the pool.
The VOLT is the better call headphone by a wide margin, with CVC 8.0 noise reduction, quad mics and single-bud mode. The Hostena lists no noise control at all. In the other direction, the VOLT's IPX4 rating means it isn't built for swimming, so neither product crosses over cleanly.
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