How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-22 · 9 min read · Independent comparison
• Betron B25 — best for plug-in-and-listen music and gaming on a 3.5 mm device; pick this if you want a lightweight wired set with an acoustic bass port, a braided tangle-free cord and a carry case.
• Jesebang Earbuds — best for running, gym work and long days away from a socket; pick this if you want Bluetooth 5.4, secure ear hooks, IP7 waterproofing and a charging case rated at up to 48 hours.
• LUDOS Earbuds in-Ear Headphones — best for students, kids and anyone with smaller ears who wants an inexpensive-feeling wired backup with a microphone; pick this if you want memory-foam tips, a 3.5 mm jack and a 5-year warranty.
• UliX Rider — best for calls on a computer or laptop; pick this if you want a built-in MEMS microphone for noise reduction, neck magnets and a durable TPE cord.
The B25 is a deliberately simple product. There is no battery, no pairing, no app — a 3.5 mm gold-plated jack goes into your phone, tablet, laptop, MP3 player or controller and that is the whole setup. Betron states it works with "virtually all" devices that have a standard headphone jack, with the usual caveat that some newer phones need an adapter. If you are the kind of listener who wants zero friction between you and your music, that is the appeal.
The specs are the interesting part. A 9 mm dynamic driver covering 20 Hz to 20 kHz, 16 ohm impedance and 112 dB sensitivity means these are easy to drive — a weak phone output or a laptop jack should push them to a decent volume without strain. Betron also builds in an acoustic port that controls airflow over the diaphragm, which is the design detail behind the "tight, deep bass" claim. In practice, that tuning suits bass-forward genres, but the company also advertises balanced mids and crisp treble, so it is not a one-note bass cannon.
Noise isolation here is passive, not electronic. The silicone tips form a seal in your ear canal, and Betron includes small, medium and large sets so you can actually find that seal. A proper fit genuinely lowers how loud you need to push the volume, which matters on a commute or in an open-plan office. The housings are aluminum — light, but with a more solid feel than all-plastic buds — and the whole thing weighs 16 g. The 1.2 m braided cord resists tangling, and a carry case keeps it tidy in a bag.
The trade-off is clear: there is no microphone and no inline controls. These are listening-only earphones, so you cannot take a call or skip a track from the cable. If you need a wired headset for meetings, this is not it. For everyone else, the B25 is my pick because it does the fundamentals — fit, bass, durability, compatibility — without asking you to manage a battery.
The Jesebang set is the opposite philosophy: everything wireless, everything for movement. Bluetooth 5.4 handles the connection, and Jesebang claims a 30% jump in transmission speed with a range up to 15 m. There is also a Hall-effect trick worth knowing about — once you have paired them the first time, pulling the buds out of the case reconnects them automatically. No menus, no waiting.
The fit is built for sport. A flexible silicone ear hook wraps over the ear, and each bud weighs only 6 g, so the weight is barely there. Three sizes of ear tips ship in the box. The enclosure is silicone, and the IP7 nano-coating rating means sweat and rain are not a concern — that is the spec that makes these credible for running, gym sessions or outdoor training rather than just desk listening.
Sound comes from 14.2 mm dynamic drivers with a 32 ohm impedance and a 20 Hz–20 kHz range. That is a large driver for an earbud, and the design brief is clearly deep low-frequency output with balanced mids and clear highs. For bass-heavy playlists and workout motivation, that is the right call. The four ENC microphones are the other headline: Jesebang states they filter more than 80% of external noise so your voice stays intelligible on calls during a commute or a busy gym floor.
Battery is where this design earns its place. Jesebang rates a single charge at up to 8 hours of music, with a 1.5-hour charge time, and the case extends that to as much as 48 hours. The case itself holds 400 mAh and takes about 2 hours to top up — and there is a dual LED display showing the remaining power in both the buds and the case, which removes the guessing game. Touch controls handle play/pause, volume, track skipping and calls.
The trade-off is the one every true wireless set carries: you are dependent on a battery, and the ear-hook shape is more noticeable than a plain bud. If you want something you never have to charge, go wired.
The LUDOS Ultra is a wired 3.5 mm set in a gold finish with metal housings and a rounded-tip shape. It is aimed squarely at a broad audience — the listing names school students, kids, women and small ears — which tells you the design priority is a comfortable, shallow fit rather than a deep, aggressive seal. Memory foam tips are part of the package, along with a protective case and a cable.
Audio-wise it uses a dynamic driver with 16 ohm impedance, 20 Hz–20 kHz frequency response and 92 dB sensitivity. That low impedance keeps it easy to drive from a phone or laptop jack. Note the sensitivity figure is lower than the Betron's, which means you may need a little more volume for the same loudness — not a problem on most devices, but worth knowing if your source is quiet.
There is a microphone here, which the Betron lacks, so this doubles as a headset for calls and online classes. The controls are listed as volume control with a touch method, and noise control is listed as "None" — meaning any quieting comes from the tip seal and the foam, not from active circuitry. For a student taking notes in a lecture hall or a kid on a school laptop, that is a sensible, low-maintenance combination.
The standout detail is the warranty: LUDOS states a 5-year warranty plus 24/7 support with a 24-hour response window. For a wired set that gets thrown in a backpack, that is a meaningful safety net, and it is the main reason I would point a parent or a student this way. The trade-off is that the design and specs are modest — no active noise cancelling, no wireless, and a fit that will not isolate as aggressively as a deep-sealing bud.
The Rider is the wired set I would hand to someone who takes a lot of calls at a desk. Its distinguishing feature is a built-in MEMS microphone paired with internal sound-absorbing holes — UliX describes this as reducing external noise and increasing sound purity for calls, and lists it as suitable for a computer, laptop or phone. If your day involves back-to-back video meetings and you want to skip Bluetooth pairing entirely, that is a real advantage.
UliX rates the speakers at 48 ohms, which is unusually high for a cheap in-ear. Higher impedance typically means the set asks more of your source, so a laptop or a desktop headphone jack is a better match than a weak phone output. What you get in return, per UliX, is layered sound and deep bass with distinct instruments and voices. The dynamic driver covers 20 Hz–20 kHz.
Two magnets sit inside the metallic shells so you can clip the buds together around your neck or pack them neatly — a small feature, but one that pays off daily if you are constantly taking earphones in and out. The cord is reinforced with TPE thermoplastic rubber, described as soft and durable, and the shell shape is ergonomic with a rounded tip. UliX says the design came out of ear-canal studies for comfort, stability and passive noise isolation.
The controls are a button remote with call control, so answering and ending calls happens on the cable. There is also a 5-year warranty, matching the LUDOS. The trade-offs: no Bluetooth, no active noise cancelling, and the 48 ohm impedance means a quiet source will sound quieter than it does on the 16 ohm sets above. For desk work and calls, none of that is a dealbreaker — for phone-only listening, it might be.
How We Picked
what is in ear earphones
In-ear earphones are small headphones whose tips sit inside your ear canal rather than resting against the outer ear. That deeper placement is what creates the passive seal — for example, the Betron B25 uses silicone tips in three sizes to block outside noise, while the LUDOS Ultra adds memory foam tips for a similar effect.
how to clean earphones ear wax
Wax builds up on the tip and the mesh, so the practical routine is to remove the silicone or foam tip and wash or replace it, then gently wipe the nozzle with a dry cloth or soft brush. Never push anything into the housing or use liquid inside the driver area, and check the manufacturer's guidance for your specific model before cleaning.
how to ear earphones
Getting a good fit matters more than the model you buy. Try every tip size in the box — the Betron B25, Jesebang and UliX Rider all ship multiple sizes — rotate the bud slightly as you insert it, and stop when outside noise drops noticeably. If one side feels loose or the bass disappears, the seal is broken and you should size up.
what is in ear monitor earphones
In-ear monitors are in-ear earphones designed for stage and studio use, where the goal is accurate, isolated monitoring rather than casual listening. The consumer sets here share some of that DNA — the UliX Rider's 48 ohm speakers and passive isolation, for instance — but they are built for phones, laptops and everyday listening rather than professional monitoring.
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