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SpinFit

SpinFit Omni for True Wireless Earbuds & IEMs - M -Patented Silicone Eartips for Replacement (1 Pair) (3.7 mm Nozzle Dia.)

  • Based on 328 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Jun 16
Order within 5 hours and 52 minutes
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Model: M


Features

  • SpinFit patented spinnable 3D axis that bends to fit unique ear canals' angle like customized. Easy and affordable upgrade for the earphones. Sound is dispersed to fit the ear canal's direction, enhancing the sound performance.
  • Made of non-irritating silicone materials, certified by SGS after passing the OECD 439 Reconstructed Human Epidermis (RhE) test (Report No. PUG23800708).
  • Dual-Layer Tube Core & Triple-Segmented Core grabs different shapes of nozzles perfectly and steadily with comfy.
  • Compatible with: Sony WF-C700N/ InZone Buds (WF-G700N)/ XM4/ XM5, Beats Studio Buds+/ Solo Buds, Soundcore Liberty 5/ Life A3i, Technics AZ100, JBL Tour Pro 3, Nothing Ear (a), CMF Buds 2 Plus...and MORE.
  • Eartip Tube Core diameter: 3.7mm, fits earbuds nozzle diameter 4.0-5.5 mm.

Color: Indigo Mist


Brand: SpinFit


Material: Silicone


Compatible Devices: Fully wireless earbuds, wired earbuds


Manufacturer: Rextec International Limited


Color: Indigo Mist


Enclosure Material: Silicone


Compatible Devices: Fully wireless earbuds, wired earbuds


Brand: SpinFit


Manufacturer: Rextec International Limited


Warranty Description: 30 days


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Excellent. Better than stock earbud tips
Model: L
If you use wireless earbuds, you know the stock tips are often the weakest link. They might be too shallow, too slippery, or just plain uncomfortable. Enter the SpinFit Omni—and they are exactly the upgrade I was looking for. SpinFit's patented 3D axis design isn't a gimmick; the tips slightly swivel to match the unique curve of your ear canal. This results in an incredibly snug and comfortable fit that lasts for hours, which is perfect for my long work days. Crucially, that perfect seal means the passive noise isolation is immediately better, which in turn boosts the performance of the earbuds' ANC (Active Noise Cancellation) and, more importantly, the bass response. Everything sounds tighter and more impactful now. The big win for me was that I got them to fit on my Soundcore Liberty 4 NC earbuds. The stock tips felt a little shallow and sometimes broke the seal, but the Omni tips snapped onto the earbuds and still allowed the Liberty 4 NC to fit and charge perfectly inside its case. If you have similar issue with L4NC, grab a pair of Omnis—it’s an instant, noticeable sound quality and comfort improvement. They are a bit pricier than standard silicone tips, but considering the soundstage improvement, the non-irritating, soft material, and the secure fit they provide for me, they are absolutely worth the investment for any earbud user. ... show more
Reviewed in the United States on September 26, 2025 by J B
    • These eartips were life changing
Model: XL
I loved my Beats Fit Pro earbuds because they had great sound and fit securely and comfortably. They are, without question, the best-fitting and sounding earbuds I've used. The only problem with them was that out of the box, they wouldn’t pass the Beats app fit test using any of the ear tips that came with the earbuds. So, I tried others. Comply TW-200-C Memory Foam Earbud Tips came highly recommended. I tried them with no luck. Same with several sizes of SpinFit CP1025-Silicone Ear Tips. Then, AI suggested that I try SpinFit Omni for True Wireless Earbuds in size XL. I got some, put them on the Beats earbuds, put the earbuds in my ears, and the world went silent. I'm talking Bose-level ANC. The bass response was also amazing. The layering of sound from the timbales at the start of Hotel California can almost take your breath away. And all this while the earbuds remained comfortable and continued to fit securely. (And the buds still fit in their charging case without any problems.) Now, when I'm at the gym, I can work out without any background noise. And I can hear what's being played a lot better. Used to be I had the volume turned up almost all the way. Now, it's at about 50% on the gym floor and maybe 60% on the hydromassage bed. Thanks to the effectiveness of the SpinFit eartips, these these Beats earbuds have replaced my JBuds Sport ANC 4 Earbuds that I had been using at the gym, my Soundcore Space One Headphones that I used on planes and trains, and my Soundcore Space A40 Earbuds that I took on trips of use on the beach or poolside. In fairness, I think most people, those of you with normal ears, will have the same end result with the included eartips. However, if not, it's worth the effort to try something aftermarket; a good place to start is with SpinFit. ... show more
Reviewed in the United States on March 22, 2026 by Bob Tobias
    • Great quality but limited functionality
Model: M
These are great, high-quality eartips, but unfortunately they just aren't versatile enough. I first tried them with a regular pair of earbuds (Soundcore Liberty Air 2 Pro) and they fit without any issues. They were extremely comfortable and fit my ears perfectly. However, I specifically bought them for my Soundcore Sleep A30 earbuds. Because those are designed to be worn while sleeping, they're very low-profile. These eartips would have been perfect for them, since they're also small and short. But unfortunately it was almost impossible to get them onto the earbuds at all. There are other low-profile eartips that aren't nearly as restrictive. For example, brands like Whizzer and KBear make eartips that are actually even smaller than these, but they fit a wider variety of earbuds thanks to their openings being wider. I own a pear of KBear coffee eartips, and they fit my A30's without any issues at all. But it's just unfortunate, because the quality of these SpinFit tips are unreal, and I also find them to be more comfortable than any other silicone eartips I've tried. These would have been perfect to wear with my sleep earbuds, but they just don't fit. I really wish SpinFit made a version of these with a larger opening to accommodate a wider range of earbuds. They do make other eartips with larger openings, but none are as low-profile as these. So while I think these are excellent, it's hard to recommend them when they can't fit a wide range of earbuds. ... show more
Reviewed in the United States on January 31, 2026 by Anthony

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