We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-29 · 6 min read · Independent comparison
If you want a small, focused set of adjustable silicone ear clips that keep earhook-style sport headphones locked to your ears, choose MAVIS LAVEN Silicone Earphone Retaining; if you need a big bulk bag of soft silicone hook covers to refresh or protect a whole drawer of earbuds, choose Hemobllo 40pcs.
• MAVIS LAVEN Silicone Earphone Retaining — biggest strength: a purpose-built secure-fit design with adjustable silicone clips that hug the ear and resist slipping during hard workouts, plus a sweatproof, easy-to-clean build and a 90-day manufacturer warranty.
• MAVIS LAVEN Silicone Earphone Retaining — biggest trade-off: it comes as a 2-pack, so there is very little spare capacity, and the sheet lists the color as Black even though the title mentions Black, White, Gray and Sky Blue — treat the exact shade you receive as uncertain.
• Hemobllo 40pcs — biggest strength: sheer volume and variety — 40 pieces (20 left, 20 right) in black and transparent grey, with multiple sizes so one bag covers several people and several pairs of earbuds.
• Hemobllo 40pcs — biggest trade-off: no warranty, and it is positioned as a replacement/cover item rather than a tuned retention system; sizing is approximate and you may need to experiment to find the right fit.
• Who each pick is for: MAVIS LAVEN for the runner or gym-goer who wants one reliable pair of retainers and cares about fit and durability; Hemobllo for the household, tinkerer or multi-device user who wants a cheap-to-restock pile of soft covers.
MAVIS LAVEN's retaining rings are built around one job: keeping your headphones physically attached to your ears. The design uses silicone non-slip ear clips that sit close to the ear, and the brand describes them as adjustable so they fit most ear sizes. That adjustability is the interesting part — instead of a single fixed molded shape, you get a clip you can nudge into position, which is exactly what you want when you are mid-run and feel a bud starting to work loose.
The material story is also consistent with sport use. Silicone is soft, lightweight and gentle on the ear, which matters for long training sessions where hard plastic hooks start to ache. The sheet calls the build sweatproof and easy to clean, so a quick rinse after a sweaty session is realistic. There is a 90-day manufacturer warranty, which is unusual for an accessory this small and suggests the brand expects it to survive more than one workout.
Who should buy it: runners, cyclists, gym regulars and anyone whose earhook-style wireless headphones keep popping out during high-intensity movement, and who wants a tidy, adjustable solution rather than a bag of loose spares. Who should skip it: if you are maintaining several pairs of earbuds for a family, or you mainly want to replace worn-out covers rather than improve retention, a 2-pack will feel thin. Also skip it if you need a guaranteed specific colour — the listing's colour field says Black, while the title lists four shades, so I would not count on picking a precise one.
Hemobllo's offering is a bulk bag of silicone ear hook covers — 40 pieces total, split evenly into 20 left and 20 right. The material is silicone in black and transparent grey, each piece measuring roughly 3.00 x 1.40 x 0.50 cm (about 1.18 x 0.55 x 0.20 inches), with a total item weight around 27 g. In other words, these are small, light, pocketable bits of rubber, not a precision-fit retention system.
The pitch here is breadth. The sheet says the covers come in sizes for different people, so you can match them to different demands, and it frames them as a way to replace old or dirty ear hooks and keep your earphones clean and new. That is a genuinely useful angle: silicone picks up skin oil, sweat and dust, and swapping a grubby cover is easier than deep-cleaning a tiny molded hook. The brand also highlights good elasticity and toughness, so they should not deform or snap easily.
Who should buy it: households with multiple earbud users, people who cycle through cheap earbuds, and anyone who wants a low-commitment stock of soft covers for running, cycling and general workouts, or to refresh a pair that has gone grimy. Who should skip it: if you want one carefully tuned retainer for serious training, the shotgun approach — many pieces, multiple sizes, approximate fit — may mean trial and error before you find one that holds. There is also no warranty listed, so you are buying on the assumption that silicone is cheap enough to replace rather than return.
Side-by-Side: Which Should You Choose?
• Best for maximum grip during intense workouts → MAVIS LAVEN Silicone Earphone Retaining. Its stated secure-fit design and adjustable clips are aimed squarely at not falling out.
• Best for sweat and rain exposure → MAVIS LAVEN. The sheet specifically calls it sweatproof and easy to clean for high-intensity activity.
• Best for replacing dirty or worn covers → Hemobllo. It is explicitly positioned as a replacement for old ear hooks and for keeping earphones clean.
• Best for colour choice → Hemobllo. Black and transparent grey are both documented, whereas MAVIS LAVEN's colour field lists only Black despite the multi-colour title.
• Best for peace of mind on durability → MAVIS LAVEN. A 90-day manufacturer warranty is the only after-sale cover in this comparison; Hemobllo states none.
• Best for travel and storage → Hemobllo. At roughly 27 g total and about an inch long per piece, the whole set is genuinely pocketable.
• Best if you dislike fiddling → MAVIS LAVEN. A two-piece set with adjustable clips is a simpler thing to live with than sorting through mixed sizes.
I would buy the MAVIS LAVEN Silicone Earphone Retaining set. In my opinion, if the whole point of buying retainers is that your headphones stop falling out, you want the product whose design brief is retention — adjustable silicone clips, a secure-fit claim, sweatproof silicone and a 90-day warranty — rather than a bulk bag where you play size roulette. The Hemobllo bag is the smarter purchase if your problem is volume, mess or a family's worth of earbuds, and I would recommend it without hesitation for that job. But for one person and one pair of workout headphones, I would rather own two good retainers than forty approximate ones. Check the current price on Amazon before deciding, since both sit in the cheap-accessory bracket and the value math changes with what you actually pay.
For running specifically, yes in my opinion — MAVIS LAVEN is designed around secure, adjustable non-slip clips and is described as sweatproof, which is what a run demands. Hemobllo works for running too, but its strength is quantity and replacement, not tuned grip.
MAVIS LAVEN is a 2-pack of retaining rings. Hemobllo is 40 pieces, split as 20 left covers and 20 right covers. If you need spares for several pairs, that difference is the whole decision.
Not guaranteed. The sheet says they come in sizes for different people and should meet the needs of family and friends, but they are a universal-style silicone cover at roughly 3.00 x 1.40 x 0.50 cm. Expect to test which size grips your particular earbuds best.
MAVIS LAVEN is the only one of the two with a stated warranty — a 90-day manufacturer warranty. Hemobllo lists no warranty, but describes its silicone as elastic and resistant to deforming or breaking. Realistically, silicone is silicone: both should hold up if you keep them clean.
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