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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-03 · 6 min read · Independent comparison
• NANLANFAN Replacement Silicone Ear — biggest strength: Three pairs of ultra-light soft silicone ear wings in beige, sized S/M/L, built specifically to hold Soundcore Sleep A20 earbuds firmly in the ear without long-wear discomfort.
• NANLANFAN Replacement Silicone Ear — biggest trade-off: These are ear wings only — no earbuds and no eartips are included, and they are not compatible with the Soundcore Sleep A30.
• CASCHO Ear Plugs — biggest strength: A complete standalone silicone ear plug system with eight eartips, a claimed 45dB noise reduction depth, and a portable case.
• CASCHO Ear Plugs — biggest trade-off: They are passive ear plugs, not earbuds — you get noise blocking but no audio, and the fit depends on choosing the right tip size from eight options.
• Who NANLANFAN is for: Anyone who already owns Soundcore Sleep A20 earbuds and wants a comfier, more stable fit for sleep.
• Who CASCHO is for: Side sleepers, travelers and noise-sensitive people who want reusable silicone ear plugs with no electronics at all.
The NANLANFAN Replacement Silicone Ear is a very specific product, and that specificity is its whole appeal. It is a set of three pairs of silicone ear wings designed as a replacement fit accessory for the Soundcore Sleep A20 earbuds. The material is soft silicone, the wings are described as ultra-light, and the point of the design is anti-slip grip: they press against the inside of your ear so the earbud stays put instead of shifting when you roll over. The color is beige, which is a small but sensible touch for something you wear against your skin.
Who should skip it? Anyone who doesn't own Soundcore Sleep A20 earbuds. This is not a universal ear tip, and it is explicitly not made for the Sleep A30. It also includes no earbuds — the listing is the wings only — so it is purely an accessory purchase for an existing pair. If you want something that blocks noise by itself, this is the wrong category of product entirely.
CASCHO Ear Plugs: Who It's For
The CASCHO Ear Plugs are a self-contained noise reduction product, and the spec sheet reads like it was built for people who have tried cheap foam plugs and hated them. The headline claim is a 45dB noise reduction depth using a multi-layer acoustic filtration system, with a sealing structure designed to block a large share of environmental noise. The contour is shaped to follow the ear canal, which is the detail that separates a plug that seals from one that just sits there. CASCHO also describes selective frequency filtering meant to soften low-frequency mechanical noise without constant pressure on the eardrum.
The most practical feature here is the sizing. You get eight eartips across XS through L, so instead of guessing at one universal size you can experiment until you find the seal that actually works for your ear. The silicone is described as soft and liquid-like, with a vacuum-grade seal that CASCHO says can be worn all night without swelling or pain. The plugs are also reusable and washable, and CASCHO frames them as a replacement for disposable earplugs, which is the real value story for anyone who goes through foam plugs constantly.
The use cases are broad rather than narrow: sleep, study, work, concerts, flights, buses, subways, motorcycle riding, mowing. There's a case included, and the black finish is understated enough to wear in public without looking like a medical device. The trade-off is simply that these are not earbuds. There is no audio, no Bluetooth, no alarm-through-speaker feature. If you want silence, that's fine. If you want silence plus a podcast, it isn't.
• Best for keeping Sleep A20 earbuds in place → NANLANFAN Replacement Silicone Ear. The wings exist purely to stop slippage.
• Best for standalone noise blocking → CASCHO Ear Plugs. The 45dB depth claim and multi-layer filtration are the core of the product.
• Best for fit variety → CASCHO Ear Plugs. Eight eartips in XS–L versus NANLANFAN's three wing pairs in S/M/L.
• Best for existing Sleep A20 owners → NANLANFAN Replacement Silicone Ear. It's a targeted accessory, not a general purchase.
• Best for side sleepers who want zero electronics → CASCHO Ear Plugs. Soft silicone with no hardware to press into your ear.
• Best for long-session comfort → Both, for different reasons. NANLANFAN's ultra-light silicone is built for overnight wear; CASCHO's soft silicone is designed for all-night use without swelling.
• Best for travel and commuting → CASCHO Ear Plugs. The case, the pocketable size and the concert/subway use cases point that way.
• Best for people without Sleep A20 earbuds → CASCHO Ear Plugs. NANLANFAN simply doesn't apply to you.
In my opinion, if you already own Soundcore Sleep A20 earbuds, buy the NANLANFAN Replacement Silicone Ear — it's the cheaper-feeling fix to a real problem, and a sleep earbud that won't stay put is useless. If you don't own those earbuds, or you want silence without any electronics, buy the CASCHO Ear Plugs. The eight-tip sizing is the deciding factor for me: a seal you can actually dial in matters more than any single spec. Two different jobs, two clear winners.
how to put on silicone earbuds
For the NANLANFAN ear wings, the process is to fit the wing onto the Soundcore Sleep A20 earbud and then seat the earbud in your ear so the wing rests against the inner curve. For CASCHO Ear Plugs, start with a mid-size tip, insert with a gentle twist until you feel a seal, and size up or down from there — you have eight tips to work with.
what are the best earbuds to sleep in
For actual audio while sleeping, the NANLANFAN ear wings are designed around the Soundcore Sleep A20, a purpose-built sleep earbud, and they exist to improve how that earbud stays in place overnight. If you'd rather sleep in total silence, the CASCHO Ear Plugs are the sleep-focused option here, with soft silicone and a claimed 45dB reduction.
are there earbuds for sleeping
Yes — the Soundcore Sleep A20 is the model the NANLANFAN wings are made for, and it's a sleep-specific earbud rather than a standard pair. If you don't want electronics in your ears at night, the CASCHO Ear Plugs are the non-electronic alternative.
No. The NANLANFAN wings only make sense if you own Soundcore Sleep A20 earbuds, and they're not compatible with the Sleep A30. The CASCHO Ear Plugs work independently for anyone. If you're unsure which fits your situation, check the current price on Amazon and let your existing gear decide it.
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