We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-21 · 8 min read · Independent comparison
If you want a single wearable that silences the light and pipes audio straight into your ears while you lie down, choose LC-dolida Sleep Mask; if you need serious active noise cancelling and marathon battery life for commuting, flights and open-air listening, choose Wentronic Y04. These two products share one job — putting sound in your ears — but they solve it from opposite directions. One is a sleep-first fabric mask with speakers tucked inside; the other is a conventional over-ear ANC headphone built for travel and all-day wear. Picking the wrong one is the whole problem, so let's separate them properly.
• LC-dolida Sleep Mask — biggest strength: a true 2-in-1 design that blocks light with full coverage and a shaped nose area while Bluetooth 5.2 speakers sit inside the mask, so side sleepers and back sleepers can listen without a headband digging in.
• LC-dolida Sleep Mask — biggest trade-off: it's a sleep accessory first. The audio is tuned for quiet listening in bed, not for loud, critical or noise-cancelled listening, and there's no active noise cancelling at all.
• Wentronic Y04 — biggest strength: active noise cancelling with multiple microphones plus up to 48 hours of playtime, in a foldable over-ear frame with plush memory foam cushions.
• Wentronic Y04 — biggest trade-off: it's a full-size over-ear headphone. Great for sitting, standing, commuting and travelling — awkward if you sleep on your side and want zero pressure on your ear.
• Who each pick is for: choose the LC-dolida mask if your goal is falling asleep faster with music, white noise or a podcast in the dark; choose the Wentronic Y04 if your goal is blocking out a noisy commute, a plane cabin or a busy street while you're awake.
The LC-dolida Sleep Mask is best understood as sleep equipment that happens to play audio. The design combines a memory foam body with a smooth ice silk lining, and the manufacturer describes it as lightweight, skin-friendly and hypoallergenic, with a full-coverage shape and a dedicated nose area to cut light leakage. In practice that matters more than the spec sheet suggests: light sneaking in around the nose is exactly what wakes people up at 5 a.m. in summer, and a shaped nose cutout is the standard fix.
Who should buy it: side sleepers, people who work night shifts and sleep during daylight, anyone kept awake by a snoring partner, a reading partner or a TV in the same room, and travellers who want to nap on a plane or train. It's also a sensible pick if you get migraines or dry eyes and want eye pressure kept to a minimum — the memory foam and silk lining are aimed at exactly that. It ships with a USB charging cable, instructions and a carry pouch, and it carries a 12-month warranty.
Who should skip it: if you want to block out engine roar or subway noise while you're awake and moving, this isn't the tool. There's no active noise cancelling here — the mask blocks light and muffles sound physically, nothing more. If you need big, powerful sound for music listening as a hobby, look elsewhere too. And if you can't tolerate anything across your face while you sleep, no spec will fix that.
Wentronic Y04: Who It's For
The Wentronic Y04 is a straightforward, well-specified over-ear headphone. The headline feature is active noise cancelling using multiple microphones, aimed squarely at subways, busy streets and aircraft cabins — the three environments named in its own description. That's a genuinely different capability from the LC-dolida mask: ANC doesn't just muffle sound, it actively reduces steady background noise, which is what makes a long flight or a loud train bearable.
Sound is handled by large dynamic drivers with a stated frequency range of 20 Hz to 20,000 Hz, tuned for balance across lows, mids and highs — bass present but not overwhelming, natural vocals, crisp treble. Bluetooth 5.3 handles the wireless connection, and there's also a 3.5 mm jack, so you can go wired when you want to. Controls are physical push buttons rather than touch, which I personally prefer on headphones you use with gloves or in the dark, because you can feel what you're pressing.
The comfort story is built around plush memory foam ear cushions wrapped in soft protein leather, and the battery figure is the standout number on the sheet: up to 48 hours of continuous playtime per charge. For a daily commuter that's weeks between charges. The frame folds down compactly enough for a backpack, suitcase or small handbag, and the item weight is listed at 0.61 kg — on the heavier side for a headphone, which is worth knowing if you're sensitive to weight on the top of your head. It's grey, plastic-bodied, minimalist in style, and backed by a 1-year warranty.
Who should buy it: commuters, frequent flyers, remote workers who want to shut out an open-plan office, and anyone who wants one pair of headphones for music, calls and travel rather than a sleep-specific device.
Who should skip it: side sleepers who want audio while lying down. An over-ear headphone with a 0.61 kg build is not something you roll onto at 2 a.m. If your goal is sleep, this is the wrong category entirely.
• Best for sleep → LC-dolida Sleep Mask. It's the only one of the two designed to be worn with your eyes closed, in bed, for hours.
• Best for blocking real-world noise → Wentronic Y04. Active noise cancelling with multiple microphones versus no ANC at all.
• Best for battery life → Wentronic Y04. Up to 48 hours of playtime against the mask's 8–10 hours per charge.
• Best for side sleepers → LC-dolida Sleep Mask. Memory foam plus ice silk lining, built to sit flat against a pillow without pressing on your ears.
• Best for flights and commuting → Wentronic Y04. Foldable, over-ear, ANC, and a 3.5 mm jack as a wired fallback.
• Best for light blocking → LC-dolida Sleep Mask. Full coverage with a shaped nose area to stop leakage around the edges.
• Best for taking calls → either, honestly. Both have a built-in microphone, though the Y04's over-ear design will sound more natural on the other end.
• Best for listening in bed without waking your partner → LC-dolida Sleep Mask. Speakers sit against your ears inside the fabric instead of clamping around your head.
• Best as a gift → LC-dolida Sleep Mask if the recipient complains about sleep; Wentronic Y04 if they complain about their commute.
If I had to pick one for myself, I'd pick based on the job, not the spec sheet. For sleep — and that's the harder problem to solve — I'd buy the LC-dolida Sleep Mask, because very few headphones can be worn lying on your side, and the combination of full light blocking, memory foam with a silk lining, and 8–10 hours of playback covers a full night. In my opinion it's the more specialised, harder-to-replace product of the two. The Wentronic Y04 is the better headphone: ANC, 48 hours, foldable, wired option. If you're awake and moving, buy that instead. Ideally you'd own both, but if you're only buying one, decide whether your problem is the dark or the noise.
Yes, in my opinion. The LC-dolida is built as a flat, padded mask with memory foam and ice silk lining, designed to be worn against a pillow. The Wentronic Y04 is an over-ear headphone weighing 0.61 kg, which isn't practical to lie on.
Correct. The Wentronic Y04 uses active noise cancelling with multiple microphones to reduce background noise. The LC-dolida Sleep Mask has no ANC — it blocks light and muffles sound physically through its full-coverage fabric.
The Wentronic Y04, clearly: up to 48 hours of playtime. The LC-dolida Sleep Mask charges in roughly 1–2 hours and gives 8–10 hours of playback, which is designed to cover one night's sleep.
Both list a built-in microphone, so yes. The Wentronic Y04's over-ear design with a 3.5 mm jack and Bluetooth 5.3 makes it the more versatile option for work calls; the LC-dolida is better for a quick call without taking anything off your face.
That depends on what you need it for, so I'd check the current price on Amazon for both before deciding. If you want sleep, the LC-dolida is the only one of the two that does the job; if you want commuting and travel audio, the Wentronic Y04's ANC and 48-hour battery are hard to argue with.
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