If you want a simple, ultra-lightweight accessory to secure your existing Soundcore Sleep A20 earbuds for a more stable fit while commuting, choose NANLANFAN Replacement Silicone Ear; if you need a complete, waterproof wireless audio system with Bluetooth 5.3 designed specifically for side sleepers and underwater use, choose Piegricdiat Invisible Sleep Headphones.
• NANLANFAN Replacement Silicone Ear: The biggest strength is its ability to add an anti-slip grip to your current Soundcore Sleep A20 buds using soft, ultra-light silicone wings, but the trade-off is that it is merely an accessory and does not function as a standalone headphone. This pick is for owners of the specific Soundcore model who feel their earbuds are slipping out during movement.
• Piegricdiat Invisible Sleep Headphones: Its primary advantage lies in being a full wireless solution featuring Bluetooth 5.3, IPX6 waterproofing, and a dedicated sleep mode that disables physical buttons to prevent accidental touches, yet the trade-off is that it requires a separate purchase rather than just upgrading your current gear. This pick is for anyone seeking a dedicated sleep device that can handle swimming, side sleeping, and long-duration wear without strain.
The NANLANFAN product is a specialized component rather than a standalone audio device. It is designed strictly as a replacement part for the Soundcore Sleep A20 earbuds. If you already own these specific earbuds and find them sliding out of your ears when you move around, this accessory provides a mechanical solution. The design features three pairs of ear wings made from high-quality soft silicone, available in small, medium, and large sizes to ensure a customized fit. These wings attach to the earbuds to firmly fix them in place, addressing the common issue of instability during activity.
For commuters who rely on their Soundcore Sleep A20s to block out train noise or office chatter, the stability offered by these wings is crucial. The material is engineered to be ultra-light weight, ensuring that adding the wings does not create a burden on your ears. Even if you wear them for extended periods during a long commute or a workday, the soft silicone construction is intended to remain comfortable without causing irritation. The package includes three distinct pairs of beige-colored wings, giving you the flexibility to swap them out until you find the perfect seal.
However, this product is not for everyone. It is explicitly incompatible with the Soundcore Sleep A30 models, so if you have the newer version, this will not work. Furthermore, since the earbuds themselves are not included, buyers must already possess the compatible hardware. If you do not currently own Soundcore Sleep A20s, this item offers no value on its own. It is a targeted fix for a specific compatibility gap, making it ideal for users who love the sound profile of their current buds but struggle with the physical fit.
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 Piegricdiat Invisible Sleep Headphones represent a complete audio ecosystem designed from the ground up for rest and recreation. Unlike the accessory-focused NANLANFAN option, this is a fully functional pair of true wireless earbuds. They feature a proprietary skin-soft silicone eartip design that sits discreetly within the ear canal, making them nearly invisible. This form factor is particularly beneficial for side sleepers who often find standard bulky headphones uncomfortable or painful when lying down. The design ensures that even if you toss and turn throughout the night, there is minimal strain on the ears.
A standout feature for the active commuter is the robust connectivity and durability. Powered by Bluetooth 5.3 technology, these earbuds offer a stable connection with a wide range of compatibility, ensuring that your phone stays paired without lag or dropouts. The inclusion of a "sleep mode" adds a layer of practical intelligence; in this mode, all physical buttons are disabled, meaning you can only control playback via your phone. This prevents accidental activation or volume changes when you press the earbuds against a pillow. Additionally, the unit weighs only 1.6 ounces, contributing to a feeling of lightness that supports all-night wear.
These headphones go beyond just sleep. With an IPX6 waterproof rating, they are built to withstand deep water exposure, supporting activities like swimming, surfing, and snorkeling for over six hours continuously. This makes them a versatile choice for those who want one device for their morning swim and evening wind-down. The audio experience is enhanced by whale cavity stereo surround sound technology, which delivers dynamic and balanced sound. Whether you are listening to music all day or taking calls with the built-in noise reduction microphone, the design prioritizes clarity and comfort without requiring you to push the earphones deep into the canal.
• Best for battery life and standalone use → Piegricdiat Invisible Sleep Headphones (NANLANFAN has no battery as it is an accessory).
• Best for securing existing Soundcore Sleep A20s → NANLANFAN Replacement Silicone Ear (Piegricdiat cannot upgrade other brands).
• Best for side sleepers → Piegricdiat Invisible Sleep Headphones (Designed specifically to eliminate strain when lying on your side).
• Best for waterproof versatility → Piegricdiat Invisible Sleep Headphones (IPX6 rated for swimming; NANLANFAN is just silicone parts).
• Best for preventing accidental button presses → Piegricdiat Invisible Sleep Headphones (Features a dedicated sleep mode disabling physical controls).
• Best for customization of fit on a specific model → NANLANFAN Replacement Silicone Ear (Includes three pairs of S/M/L wings for exact sizing).
• Best for underwater audio → Piegricdiat Invisible Sleep Headphones (Can be used underwater for more than 6 hours).
• Best for lightweight addition → NANLANFAN Replacement Silicone Ear (Ultra-light weight silicone wings add minimal mass).
After weighing the specifications and intended use cases, I would buy the Piegricdiat Invisible Sleep Headphones for my daily routine. While the NANLANFAN wings solve a specific fit problem for Soundcore owners, the Piegricdiat offers a far more comprehensive solution for the modern commuter. It combines the necessity of a secure, comfortable fit for side sleeping with the advanced reliability of Bluetooth 5.3 and the rugged durability needed for swimming. If you are looking for the best hi-res sleep headphones for commuting that also double as a capable swim companion, the Piegricdiat stands out as the superior all-in-one tool.
No, these silicone ear wings are exclusively compatible with the Soundcore Sleep A20 earbuds and will not fit the Sleep A30 or other brands.
Yes, the Piegricdiat Invisible Sleep Headphones carry an IPX6 waterproof rating, allowing them to be used underwater for more than six hours continuously.
They include a specific sleep mode that disables all physical buttons, meaning you must use your phone to control the audio to avoid accidental touching.
No, the NANLANFAN package contains only the replacement silicone ear wings and does not include the actual earbuds or any audio components.
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