If you want a robust, feature-rich headset with advanced Bluetooth 6.0 connectivity and AI music capabilities for active adults or serious athletes, choose PSIER Bone Conduction Headphones; if you need an ultra-lightweight, skin-friendly option specifically designed for secure underwater swimming with zero bulk, choose MARLALL Soft Liquid Silicone.
• PSIER Bone Conduction Headphones: Offers Bluetooth 6.0 for seamless multi-device switching and 32GB internal storage, but relies on standard plastic construction rather than liquid silicone. Best for runners and swimmers who need long battery life and smart features.
• MARLALL Soft Liquid Silicone: Features a unique soft liquid silicone overmold that feels like skin and weighs only 22.68 grams, yet lacks the advanced connectivity options of its competitor. Best for parents looking for the best wireless headset for kids or anyone prioritizing absolute comfort during long swim sessions.
• The Decision: Choose PSIER for technology and versatility; choose MARLALL for tactile comfort and specialized aquatic performance.
The PSIER S18 model is engineered for the user who demands more than just basic audio playback. Its standout feature is the inclusion of Bluetooth 6.0 technology, which promises ultra-low transmission latency. This is a significant upgrade for anyone trying to sync video content or switch between devices without lag. Unlike many older bone conduction models that struggle with connection stability, this unit allows you to connect two or more devices simultaneously, making it ideal for someone who wants to toggle between a phone and a tablet while training. The open-ear design ensures you remain aware of your surroundings, a critical safety factor for outdoor runners, cyclists, and hikers.
You can store up to 4,000 songs directly on the device, allowing for a completely phone-free experience. This is particularly useful for gym-goers or swimmers who don't want to carry their phones into the water. The IPX8 waterproof rating confirms it can handle submersion up to two meters deep for an hour, provided you switch to MP3 mode before entering the water. The 8-hour battery life is also a strong point, ensuring that even on your longest runs or most intense training days, the power won't run out before you do.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-31 · 7 min read · Independent comparison
However, this product is not for everyone. The build material is listed as plastic, which offers durability but may not feel as premium or soft against the skin as silicone alternatives. The controls are touch-based, which some users might find less precise than physical buttons, especially when wearing gloves or wet hands. Furthermore, the age range description specifies "Adult," suggesting the fit and weight distribution are optimized for larger heads. If you are looking for an on ear headphones gift for kids who have smaller head sizes or prefer a softer, non-plastic feel, this specific model might be too rigid or large for daily wear. It is a powerhouse for the adult athlete who values technical specs over ultra-soft textures.
The MARLALL X26 model takes a different approach, focusing almost entirely on the tactile experience and the specific needs of underwater sports. The defining characteristic here is the "Soft Liquid Silicone" construction. While other brands use hard plastics or standard rubber, this overmolded material is described as skin-friendly and ultra-soft. This is a game-changer for sensitive ears or for anyone who has experienced irritation from traditional headphone materials after hours of wear. The item weight is listed at a mere 22.68 grams, making it one of the lightest options available. For a child or a lightweight-sensitive user, this lack of bulk means the headphones practically disappear while worn.
Designed specifically for the pool, this model boasts an IPX8 waterproof rating, just like the PSIER, but its ergonomic ear-hook design is tailored to distribute pressure evenly so it won't slip during vigorous splashing or diving. The open-ear design keeps the canal clear, allowing swimmers to hear their own breathing or coach instructions while still enjoying their playlist. The 32GB internal storage is present here as well, ensuring you can load up your favorite tracks without needing a phone. However, there is a crucial distinction in its operation: it explicitly states that Bluetooth mode is not supported underwater. You must rely on the MP3 player mode for all swimming activities, which requires you to transfer music files manually via the magnetic charging cable.
This product is an excellent choice for parents shopping for an in ear headphones gift for kids, primarily because of the soft material and lightweight profile. Children often dislike the pressure of hard ear cups, and the liquid silicone mold accommodates different head shapes gently without causing pain. The warranty covers one year, providing peace of mind for families. However, the trade-off is the lack of advanced connectivity features found in the PSIER. There is no mention of AI music generation or multi-device pairing. The focus is singular: provide a comfortable, secure, and safe listening experience in the water. If your priority is simply getting a kid or a casual swimmer something that feels good and stays put, this is the superior choice.
• Best for Battery Life → PSIER Bone Conduction Headphones: With an average playtime of 8 hours compared to MARLALL's 7 hours, the PSIER edges out slightly for all-day usage.
• Best for Connectivity → PSIER Bone Conduction Headphones: Only the PSIER supports Bluetooth 6.0 with low latency and multi-device pairing; MARLALL requires MP3 mode for all underwater use.
• Best for Comfort & Feel → MARLALL Soft Liquid Silicone: The liquid silicone material and 22.68g weight make it significantly softer and lighter than the plastic PSIER model.
• Best for Advanced Features → PSIER Bone Conduction Headphones: Includes AI music creation via the Boean app and customizable EQ settings, features absent in the MARLALL data sheet.
• Best for Kids → MARLALL Soft Liquid Silicone: The soft, skin-friendly material and lighter weight make it safer and more comfortable for younger users with smaller heads.
• Best for Swimmers Who Hate Transferring Files → Tie: Both offer 32GB storage, but both require manual file transfer via computer for offline playlists.
• Best for Outdoor Safety Awareness → Both: Both utilize open-ear designs that keep your ears free to hear traffic and environmental sounds.
• Best Value for Tech Enthusiasts → PSIER Bone Conduction Headphones: The inclusion of Bluetooth 6.0 and AI integration offers more functionality for the price point.
In my opinion, if I were buying for a family member, specifically for a child, I would choose the MARLALL Soft Liquid Silicone. The difference in material—liquid silicone versus standard plastic—is a massive advantage for comfort, and the featherlight 22.68g weight ensures they won't complain about soreness during long wear. It is the clear winner for the best wireless headset for kids because it prioritizes safety and softness over complex tech features they might not even use.
However, if I were purchasing for myself as an adult athlete who runs outdoors and swims occasionally, I would lean toward the PSIER. The Bluetooth 6.0 connectivity and the ability to switch seamlessly between devices add a layer of convenience that the MARLALL simply cannot match. Ultimately, the choice comes down to whether you value the soft, secure fit of the MARLALL or the smart, connected experience of the PSIER. Both are solid choices for their intended purposes, but for the specific use case of a young user, the soft silicone wins.
Yes, the MARLALL Soft Liquid Silicone is explicitly designed with a skin-friendly, ultra-soft overmold that minimizes irritation, making it ideal for sensitive ears or younger users. The PSIER uses plastic, which is durable but may feel harder against the skin.
No, both models include 32GB of internal storage, allowing you to copy thousands of songs directly from a computer. However, you must switch to MP3 mode to listen underwater, as Bluetooth does not work beneath the surface for either device.
Both use bone conduction drivers (14mm for PSIER) to deliver sound while keeping ears open for ambient noise. The PSIER includes AI music creation and EQ customization, which may allow for more tailored audio preferences compared to the standard output of the MARLALL.
Both units include built-in microphones for wireless Bluetooth connectivity, allowing for crystal-clear calls. Just remember that for underwater use, you must disconnect Bluetooth and switch to MP3 mode on either device.
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