If you want a durable, custom-fit solution to keep your existing Soundcore Sleep A20 earbuds secure during sleep or activity, choose NANLANFAN Replacement Silicone Ear; if you need a complete, standalone wireless audio system designed from the ground up for small ear canals and side sleeping, choose goazzzl Sleep Earbuds. This isn't a situation where one option is strictly better than the other; it is a choice between fixing an existing setup that has loosened up versus buying a fresh pair of specialized headphones built specifically for comfort in tight spaces.
• NANLANFAN Replacement Silicone Ear: Its biggest strength is providing a non-slip, ultra-lightweight silicone grip specifically engineered for the Soundcore Sleep A20, solving the common issue of earbuds falling out at night. The trade-off is that this is merely an accessory; it does not include the actual earbuds or any battery life, so you must already own the compatible device. This pick is for owners of Soundcore Sleep A20s who feel their current fit is slipping.
• goazzzl Sleep Earbuds: Its biggest strength is being a complete, all-in-one unit featuring Bluetooth 5.4 connectivity, a massive 40-hour total battery life with its charging case, and a design explicitly made for small ears and side sleepers. The trade-off is that these are a new purchase, requiring you to buy a whole new set of hardware rather than just upgrading a part of what you have. This pick is for anyone needing a dedicated, lightweight headset for sleeping, working, or commuting without relying on an older model.
The NANLANFAN product is a specific component designed to solve a very particular problem: the fit of the Soundcore Sleep A20. If you have been using these popular sleep earbuds and found them becoming loose, uncomfortable, or prone to falling out while you toss and turn, this replacement wing kit offers a targeted fix. This material choice is critical because adding bulk to a sleep headphone can make lying on your side painful. These wings aim to add stability without adding weight or pressure points that would ruin your sleep quality.
This product is ideal for users who already love the sound profile and battery performance of the Soundcore Sleep A20 but are frustrated by the physical fit. The package includes three pairs of ear wings in sizes Small, Medium, and Large, ensuring you can find the perfect seal for your unique ear shape. Because they are compatible only with the Sleep A20 and not the newer A30 model, they are a highly specialized tool. If you have large ears and struggle to get a snug fit with standard tips, adding these anti-slip wings can transform a mediocre experience into a secure one. They allow you to extend the life of your current gear without having to replace the entire electronic unit.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-26 · 7 min read · Independent comparison
However, you should skip this product if you do not own the specific Soundcore Sleep A20 model. It will not work as a standalone pair of headphones, nor will it fit other brands. It is also worth noting that if you are looking for features like waterproofing upgrades or battery improvements, this accessory cannot provide those. It is purely a mechanical upgrade to the fit. If you are looking for low latency bluetooth earbuds for big ears or a completely new listening experience, this is not the path forward. It is a maintenance item, not a new device.
The goazzzl Sleep Earbuds represent a complete solution for anyone struggling with traditional earbuds that are too bulky or heavy for comfortable overnight wear. Designed with an ultra-compact mini shape, these earbuds weigh only 3.0 grams each, which is a significant advantage for side sleepers. The design philosophy here is "invisible" and pressure-free. Unlike many standard sleep headphones that protrude and dig into the pillow, these sit gently within the ear canal, preventing the soreness that often wakes people up. This makes them a strong contender for the title of best bluetooth headset for big ears, though they are specifically optimized for small ear canals to ensure they stay hidden and comfortable.
One of the standout features for the daily user is the inclusion of Bluetooth 5.4 technology. This ensures a stable connection with minimal lag, which is essential whether you are watching a video before bed or taking a call during the day. The earbuds come with a charging case that boasts an impressive 40-hour total battery life, providing roughly 4 to 5 hours per single charge. The LED power display on the case eliminates the anxiety of running out of power unexpectedly, letting you know exactly how much energy remains at a glance. Furthermore, the lack of flashing lights after pairing means they remain discreet in public settings like offices or libraries, allowing you to listen to podcasts or music without drawing attention.
These earbuds are perfect for those who want a versatile device for multiple scenarios: sleeping, commuting, working, and relaxing. They are IPX7 waterproof, making them suitable for workouts or use in humid environments, and they feature touch controls for easy management of music and calls. However, if you prefer over-ear style or need active noise cancellation, this semi-in-ear design might not be for you. They rely on a passive fit rather than electronic noise blocking. Still, for anyone seeking the best ipx7 waterproof kids headphones for big ears (or adults with similar needs), the combination of durability, battery life, and lightweight comfort makes this a compelling standalone option.
• Best for securing existing Soundcore Sleep A20s → NANLANFAN Replacement Silicone Ear. If your current buds fall out, these wings provide the necessary grip without replacing the electronics.
• Best for a brand-new, complete sleep system → goazzzl Sleep Earbuds. If you need a full set of headphones with battery, case, and modern Bluetooth tech, this is the only choice.
• Best for battery longevity → goazzzl Sleep Earbuds. With a 40-hour total capacity and LED display, they offer far more autonomy than a simple accessory can provide.
• Best for small ear canals → goazzzl Sleep Earbuds. The 3.0g weight and compact mini design are engineered specifically for smaller anatomies to prevent discomfort.
• Best for customization of fit → NANLANFAN Replacement Silicone Ear. The inclusion of three different size pairs allows you to fine-tune the seal on your specific Soundcore buds.
• Best for versatility (work, sleep, commute) → goazzzl Sleep Earbuds. They function seamlessly across all these environments thanks to Bluetooth 5.4 and touch controls.
• Best value for budget-conscious buyers (existing owner) → NANLANFAN Replacement Silicone Ear. It is cheaper to buy a few silicone wings than to invest in a whole new pair of earbuds.
• Best for long-term reliability and warranty → goazzzl Sleep Earbuds. The product comes with a 3-year manufacturer warranty, offering peace of mind for the entire device.
In my opinion, the decision comes down to whether you already own a pair of Soundcore Sleep A20s or if you are starting from scratch. If you are a current owner whose earbuds have become loose and uncomfortable, the NANLANFAN Replacement Silicone Ear is the smartest move. It is a cost-effective way to salvage a good product and get a secure fit that works well for big ears. However, if you do not own the Soundcore A20s, or if you want a dedicated, modern device with superior battery life and the latest Bluetooth connectivity, I recommend the goazzzl Sleep Earbuds. Their ultra-light design and 40-hour battery make them the superior choice for anyone needing a reliable, all-around sleep and activity headset. For someone with big ears looking for a complete solution, the goazzzl model stands out as the most robust and comfortable option available.
The goazzzl Sleep Earbuds provide approximately 4 to 5 hours of playtime on a single charge, with the included charging case extending the total usage time to around 35 to 40 hours.
No, once paired, the goazzzl earbuds do not have flashing lights, making them truly invisible and discreet for nighttime use or quiet environments like libraries.
Yes, the goazzzl Sleep Earbuds are designed to be waterproof, making them suitable for use during workouts or in wet conditions without worrying about water damage.
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