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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-18 · 7 min read · Independent comparison
• Biggest strength of the IAMJOY CT28: Real-time, two-way translation across 163 languages (78 languages plus 85 accents), with an advertised response around 0.5 seconds and accuracy stated at 90%+, plus an app with no subscription fee and lifetime free translation.
• Biggest trade-off of the IAMJOY CT28: Battery life is modest at 3–4.5 hours of continuous listening or translation per charge, and the open-ear clip design deliberately trades noise isolation for awareness.
• Biggest strength of the realme Buds Air 8: Up to 58 hours of total playtime, 55dB active noise cancellation, an 11mm + 6mm dual dynamic driver setup, Hi-Res LHDC and 360° spatial audio.
• Biggest trade-off of the realme Buds Air 8: Its built-in AI translator covers 30+ languages — useful, but far narrower than the IAMJOY's 163-language scope, and translation is a side feature rather than the core design.
• Who each is for: IAMJOY for travelers, students and anyone doing cross-language conversation daily; realme for commuters, gym-goers and gamers who want serious sound and silence.
The IAMJOY CT28 is, first and last, a translation tool. The spec sheet advertises two-way real-time translation in 163 languages — broken down as 78 languages and 85 accents — with a claimed 0.5-second response and accuracy of 90%+. That is a big coverage map: English, Spanish, Chinese, Vietnamese, Arabic, French, Korean, Russian, Portuguese, Japanese, German, Thai and Italian are all listed, and the app is described as having no subscription fee, with lifetime free translation. If you have ever stood in a pharmacy in another country trying to explain a symptom, that feature list is the whole point of the product.
What makes it more than a one-trick gadget is the mode list. There is AI Chat mode, Free Talk mode, Translation Machine mode, Headphones+Phone mode, Voice Notes mode that converts recordings into meeting-note text, Photo Translation mode for reading and translating image text, Audio and Video Translation mode, and Simultaneous Interpretation mode. That spread maps neatly onto real situations: a student listening to a foreign lecture, a business traveler in a meeting, a tourist photographing a menu or a sign, or someone who wants a spoken recording turned into written notes afterward. It also does the ordinary earbud jobs — music playback via a large dynamic driver, phone calls, Bluetooth 5.4 — so it can be your only pair of earbuds on a trip.
The physical design is the other half of the story. These are open-ear, clip-on C-bridge earbuds with a high-resilience ring, skin-friendly silicone, and a single bud weighing just 5.1g. That means no ear-tip pressure and full awareness of your surroundings — a real advantage crossing a street or waiting at a gate, and a real disadvantage on a loud flight, because open-ear designs do not seal or cancel noise. Battery is 3–4.5 hours of continuous use per charge, with a Type-C fast-charging case that extends listening to a full day. Skip these if your priority is blocking out a noisy commute or marathon gaming sessions; buy them if translation is the job.
The realme Buds Air 8 is built around sound and silence. The headline number is 55dB of active noise cancellation, which the spec sheet describes as cancelling up to 99.6% of ambient noise — the pitch is airplane engines and office chatter disappearing so you can focus. Pair that with up to 58 hours of total playtime and a 1.5-hour charge time, and you have a pair designed to live in your bag all week without anxiety. A quick 10-minute top-up is described as adding hours of playback, which matters more than the big number on days you forgot to charge.
Audio hardware is the second pillar: an 11mm plus 6mm dual dynamic driver setup for deep bass alongside clear highs, 360° Spatial Audio, and Hi-Res LHDC support for a wide, high-resolution soundstage. Latency is quoted at 45ms, and there are 6 microphones with ENC for call clarity — that combination is squarely aimed at gamers, video watchers and anyone taking calls in a noisy place. IP55 dust and water resistance covers sweat and splashes, so the gym and outdoor runs are fair game. Bluetooth 5.4 with a quoted 33-foot range keeps the connection stable at a normal walking distance.
The surprise is that realme has also tucked in an AI translator: instant two-way translation for 30+ languages delivered straight into your ears. It is genuinely useful for occasional travel moments, and it is a smart bonus. But it is a bonus. The Buds Air 8 are in-ear, sealed, with silicone tips and a plastic case, and their in-ear placement is exactly what makes the ANC work — and exactly what the IAMJOY deliberately avoids. Choose these if music, calls, gaming and quiet are your daily needs and translation is a nice-to-have.
• Best for translation coverage → IAMJOY Language Translation Earbuds. 163 languages (78 languages + 85 accents) versus 30+ on the realme.
• Best for translation depth → IAMJOY Language Translation Earbuds. Eight named modes, including Photo Translation, Voice Notes and Simultaneous Interpretation.
• Best for battery life → realme Buds Air 8. Up to 58 hours total playtime against 3–4.5 hours per charge on the IAMJOY.
• Best for blocking out noise → realme Buds Air 8. 55dB ANC is the entire reason to pick a sealed in-ear design.
• Best for sound quality and gaming → realme Buds Air 8. Dual dynamic drivers, Hi-Res LHDC, 360° Spatial Audio and 45ms latency.
• Best for wearing all day without ear pressure → IAMJOY Language Translation Earbuds. Open-ear clip-on, 5.1g per bud, silicone C-bridge, no ear tips.
• Best for staying aware of your surroundings → IAMJOY Language Translation Earbuds. Open-ear awareness is a safety feature while traveling or walking.
• Best for sweaty workouts and rain → realme Buds Air 8. IP55 dust and water resistance; the IAMJOY sheet lists no IP rating.
• Best for calls in noisy places → realme Buds Air 8. Six microphones with ENC, versus a stated clear-call capability on the IAMJOY.
If I had to pick one for myself, it would depend entirely on which problem I was solving that week — but forced to choose, I would buy the realme Buds Air 8. In my opinion, it is the better all-rounder: 58 hours of playtime, 55dB ANC, dual drivers and IP55 make it genuinely useful every single day, and the 30+ language AI translator covers the occasional travel moment. The IAMJOY CT28 is the sharper tool, but only for one job — and it does that job better than the realme does. If cross-language conversation is your actual daily need, flip my answer: buy the IAMJOY. Either way, check the current price on Amazon before you commit, since value is the one thing specs can't tell you.
FAQ
Yes, the spec sheet lists an AI face-to-face translator with two-way translation for 30+ languages delivered into your ears. It is a genuine feature, but the language list is much shorter than the IAMJOY's 163 languages.
The realme Buds Air 8, clearly — up to 58 hours of total playtime versus 3–4.5 hours of continuous use per charge on the IAMJOY. The IAMJOY's Type-C charging case extends it to roughly a full day, which is fine for day trips but not multi-day stretches.
Both. IAMJOY describes a 3-in-1 device: multi-language translation, immersive music playback via a large dynamic driver, and clear phone calls over Bluetooth 5.4. It is a translator first, but it works as an everyday earbud too.
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