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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-28 · 6 min read · Independent comparison
• DAYJOY 2 biggest strength: A two-pack of soft silicone sleeves with carabiner keychains that protect a JBL Quantum TWS case from scratches, shocks and drops while keeping it clipped to a backpack or handbag.
• DAYJOY 2 biggest trade-off: It only fits one specific model — JBL Quantum TWS earbuds — and it is a case cover, not eartips, so it does nothing for fit, seal or sound.
• Klowcok Ear Tips biggest strength: Twelve pairs of soft silicone replacement tips in small, medium and large, which means you can dial in fit and refresh worn tips without hunting for a single-size pack.
• Klowcok Ear Tips biggest trade-off: It is compatible with a different family of JBL models — Endurance Run 2 (wired), Peak 3, Peak II and Race TWS — and it includes no earbuds, only tips.
• Who DAYJOY 2 is for: Anyone who already owns JBL Quantum TWS earbuds and wants to protect the case during outdoor use.
• Who Klowcok Ear Tips is for: Anyone running JBL Endurance-series earphones who keeps losing, tearing or misfitting silicone tips.
The DAYJOY 2 is a two-pack of soft silicone protective case covers with a keychain carabiner, sold as a red-and-green pair. The silicone is described as scratch proof, shock proof, anti-skidding and durable, so the pitch is simple: it wraps the JBL Quantum TWS charging case and absorbs the everyday abuse that a loose case in a backpack pocket normally takes.
The detail I like most is the cutout in the bottom. That means you can plug in the charging cable without peeling the sleeve off every time — a small thing, but it is the difference between a case you actually leave on and one you abandon after a week. The carabiner matters too. If you run, hike or commute, clipping the case to a bag strap keeps it from disappearing into the black hole at the bottom of your pack.
Who should buy it? Someone who owns JBL Quantum TWS earbuds and treats them like gear, not jewelry — someone who wants the case to survive a gym bag, a trail or a bike ride and doesn't mind a bright red or green sleeve doing it. Who should skip it? Anyone whose earbuds aren't JBL Quantum TWS, because this is a model-specific fit and nothing else. Also skip it if what you actually need is a better seal in your ears — this product never touches your ears. It only touches the case. And note the two-pack: you get two sleeves and two keychains, which is handy if you want one for home and one for a bag, or if you want a spare.
The Klowcok Ear Tips set is a 24-piece collection — twelve pairs of silicone eartips, split across small, medium and large, with nine pairs in black and three in red. They are made of soft, lightweight silicone, designed to be easy to replace, to fit securely, and to block noise effectively. The listing is clear that earbuds are not included; you are buying tips only.
The real value here is the sizing spread. Most people never think about eartip size until their earbuds start falling out on a run or sounding thin because the seal is leaking. Getting four pairs in each of S, M and L means you can experiment, find the size that actually seals your ear canal, and then have backups for the day a tip tears or goes missing. Washing them is straightforward since they're silicone, so they hold up better than foam over time.
Who should buy it? Runners and gym users on JBL Endurance Run 2 wired, Endurance Peak 3, Peak II or Endurance Race TWS. The Endurance line is built for movement, and a secure silicone tip is a big part of keeping an earbud planted when you're sweating. Who should skip it? Anyone with a different earbud model — these tips are listed for specific JBL Endurance models, and a loose fit on the nozzle is worse than no tip at all. Skip it too if you were hoping for a case or a protective accessory; this is a pure consumable.
• Best for protecting your gear → DAYJOY 2. Silicone shell, shock and scratch resistance, plus a carabiner.
• Best for fit and seal → Klowcok Ear Tips. Three sizes, twelve pairs, soft silicone that seats securely.
• Best for outdoor carry → DAYJOY 2. The anti-lost carabiner is made for handbags, backpacks, running and hiking.
• Best for long-term maintenance → Klowcok Ear Tips. Tips wear out; having spares in every size means you never get stuck.
• Best for JBL Quantum TWS owners → DAYJOY 2. It is built for that model only.
• Best for JBL Endurance owners → Klowcok Ear Tips. Compatible with Endurance Run 2, Peak 3, Peak II and Race TWS.
• Best for a two-person or two-bag setup → DAYJOY 2. You get two covers and two keychains in one pack.
• Best for noise blocking → Klowcok Ear Tips. The tips are designed for effective noise blocking and a proper seal.
The honest way to read this comparison is that these aren't competitors at all. They're two accessories that happen to share a shelf. If you're comparing them because you're unsure what you need, ask one question: is your problem that your case is getting beaten up, or that your ears aren't getting a good seal? The answer picks the product for you.
If I had to pick one, I'd buy the Klowcok Ear Tips. In my opinion, tips are the part of any cheap TWS setup that quietly decides whether you enjoy the earbuds at all — a bad seal kills bass, lets noise in and makes earbuds fall out mid-run. Twelve pairs across three sizes is a practical, long-lasting fix, and it costs you nothing in complexity. The DAYJOY 2 is a genuinely good accessory, but it's a nice-to-have for one specific model, and it never improves how your earbuds actually sound or fit. Buy the tips first; add the case when you feel like treating your JBL Quantum TWS case to some armor.
what is tws earbuds
TWS stands for "true wireless stereo" — earbuds that connect to your phone with no wire between the two buds. That's why products like the DAYJOY 2 case and Klowcok eartips are sold separately: the earbuds themselves are the device, and accessories like cases and tips are add-ons.
what is tws earbuds means
It means the left and right earbuds are fully independent, with no cable joining them, and they sync wirelessly to each other and to your device. The practical result is that the fit of the eartip matters a lot — which is exactly the gap the Klowcok set fills with its S/M/L sizes.
how much is tws earbuds
That varies enormously by brand and model, and I don't quote numbers here. What I can say is that accessories are usually a small fraction of the earbuds' cost, and both products on this page are add-ons rather than earbuds. Check the current price on Amazon before you decide.
how to tws earbuds
Pairing a TWS earbud is usually just opening the case and selecting the device in your phone's Bluetooth menu, though each model differs. Once paired, the practical care routine is simple: keep the case protected so it survives your bag, and replace your eartips when they lose their seal.
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