We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-30 · 7 min read · Independent comparison
If you want a proven, feature-rich pair of budget earbuds from a brand with decades of audio engineering behind it, choose Sony WF-C510; if you need the absolute lowest-cost spare set with a semi in-ear fit and a bass-boost mode, choose Yeforu Green Long Battery.
• Sony WF-C510 — biggest strength: A genuinely complete feature set for the money — up to 11 hours per charge (22 with the case), 5-minute quick charging, Bluetooth 5.3, multipoint pairing, Ambient Sound Mode, DSEE upscaling, IPX4 water resistance and app-based EQ.
• Sony WF-C510 — biggest trade-off: It has no active noise cancelling (noise control is listed as None), and its 6 mm drivers are small, so it favours a balanced, controlled sound over room-shaking bass.
• Yeforu Green Long Battery — biggest strength: A semi in-ear design that sits outside the ear canal for breathable, pressure-free comfort, plus a dedicated Super Bass Mode you trigger by long-pressing the right earbud.
• Yeforu Green Long Battery — biggest trade-off: It's openly positioned as a spare/backup set — the manufacturer itself notes only modest audible differences versus premium branded models, there's no water-resistance rating, no multipoint, and no battery figures published at all.
• Who each pick is for: Sony WF-C510 is for someone who wants one dependable daily pair for commuting, calls and workouts. Yeforu Green Long Battery is for someone who wants a cheap second or third set to leave in a bag, at a desk, or as a gift.
The WF-C510 is the more complete product of the two, and the spec sheet shows why. Sony lists up to 11 hours of playback on a single charge and up to 22 hours total with the cylindrical charging case, plus a quick-charge feature that gives you roughly an hour of playback from a 5-minute top-up. For a budget pair, that combination of runtime and fast top-ups is the practical stuff that matters — you're not hunting for a cable every afternoon.
Connectivity is where it pulls clearly ahead. Bluetooth 5.3 with a 10-metre range, multipoint pairing for two devices at once, and a built-in microphone with a wind-noise-reduction structure for hands-free calls. Add Ambient Sound Mode (with Voice Focus to hear speech while suppressing background noise), IPX4 splash and sweat resistance, DSEE processing for compressed tracks, and EQ control through the Sony Headphones Connect app, and you have a small earbud that behaves like a much more serious one.
Yeforu Green Long Battery: Who It's For
The Yeforu set takes the opposite approach: strip it back, keep it comfortable, keep it cheap, and be honest about what it is. Its headline design choice is a semi in-ear shape that avoids inserting into the ear canal entirely. That means no pressure build-up, no soreness after long sessions and better breathability — a real advantage if you've ever found fully sealed tips uncomfortable after an hour or two.
Sound-wise, Yeforu gives you two modes. Classic Mode deliberately avoids boomy, fatiguing low end in favour of harmonic balance. Super Bass Mode, switched on by long-pressing the right earbud for about 1.5 seconds, pushes the low end up for people who want that thump. The 32 ohm impedance makes them easy to drive from a phone, and the app adds extras like built-in sleep and relaxing music, sound-mode switching, a locate-earbuds function and a factory reset. The earbuds also come in adult and kid sizing, and the packaging is designed to work as a straightforward gift.
Who should buy it: bargain hunters who want a spare set for a bag, a desk drawer or a second room, and anyone who finds canal-sealing tips uncomfortable — the semi in-ear fit is the real reason to pick these. Who should skip it: if you need sweat and rain protection, there's no IP rating listed, so I wouldn't rely on them for hard workouts. There's also no multipoint and no published battery figure, so if long, verified runtime matters to you, Sony is the safer bet.
• Best for battery life → Sony WF-C510. Up to 11 hours per charge, up to 22 with the case, and a 5-minute quick charge for about an hour of playback.
• Best for charging convenience → Sony WF-C510. That quick-charge feature is the difference between a dead commute and a working one.
• Best for calls and switching devices → Sony WF-C510. Multipoint for two devices, a built-in mic and a wind-noise-reduction structure.
• Best for workouts and weather → Sony WF-C510. IPX4 means splashes and sweat won't stop you; the Yeforu set lists no water-resistance rating.
• Best for comfort over long sessions → Yeforu Green Long Battery. The semi in-ear shape avoids ear-canal insertion and the soreness that comes with it.
• Best for bass on demand → Yeforu Green Long Battery. Super Bass Mode is one long-press away, and Classic Mode is there when you want balance.
• Best for a spare or gift set → Yeforu Green Long Battery. It's explicitly designed as a budget backup pair, with gift-friendly packaging and adult/kid sizing.
• Best for a single do-everything pair → Sony WF-C510. More features, more published specs, more confidence in daily use.
In my opinion, the Sony WF-C510 is the better buy for most people. The reason isn't brand loyalty — it's that the spec sheet answers more of the questions a daily user actually has: how long does it last, how fast does it charge, can it handle rain, can it switch between my laptop and phone, and will it still work in a year. Sony publishes all of that; Yeforu publishes very little beyond fit and sound modes.
That said, I'd steer a different buyer to the Yeforu. If you want a cheap second pair, if sealed tips hurt your ears, or if you're buying a gift and bass boost matters more than water resistance, the semi in-ear design and Super Bass Mode are genuinely appealing. Before either purchase, check the current price on Amazon using the button on this page — that's the one variable that can flip this decision.
what budget headphones
Budget headphones are any low-cost wireless earbuds that prioritise the basics: a stable Bluetooth connection, comfortable fit and usable battery life. Between these two, the Sony WF-C510 covers more of those basics on paper — Bluetooth 5.3, IPX4, multipoint and up to 22 hours with the case — while the Yeforu focuses on comfort and sound modes at a lower tier.
how long do cheap headphones last
It depends on build quality and care, not just price. Sony rates the WF-C510's battery at up to 11 hours per charge and includes a 1-year warranty, which is a concrete durability signal. Yeforu doesn't publish a battery figure or an IP rating, so treat it as a light-use spare and keep it dry.
how to make cheap headphones sound better
Two things help most: a good fit and better source files. On the Sony WF-C510, DSEE processing and the EQ settings in the Sony Headphones Connect app let you shape the sound. On the Yeforu, try Super Bass Mode for extra low end, and use lossless or high-fidelity tracks — the manufacturer itself recommends detailed audio files when evaluating them.
how to get cheap headphones
Buy at the budget end of a known brand's range rather than chasing the lowest possible number. The Sony WF-C510 sits in Sony's entry tier while keeping features like multipoint and IPX4, and the Yeforu is positioned as an outright budget spare set. Check the current price on Amazon before deciding, since that's what usually settles it.
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