If you want an open-ear design that keeps your ears unblocked for remote work, choose AYI Open Ear Air; if you need compact earbuds with longer stated playtime and clear-call features, choose Defunc True LITE II. The main difference is how they sit and what they prioritize: AYI emphasizes awareness and open-ear comfort, while Defunc offers a semi-in-ear fit, a 13 mm driver, and up to 20 hours of total playtime.
AYI Open Ear Air vs Defunc True LITE II at a Glance
• Defunc True LITE II — biggest strength: Semi-in-ear earbuds with a 13 mm driver, ENC clear-call feature, Bluetooth 6.0, and up to 20 hours of total playtime. Trade-off: The earbuds sit in the ear, so they do not offer AYI’s open-ear approach.
• Choose AYI if you want to listen while remaining more aware of your surroundings, including during light outdoor activity.
• Choose Defunc if you prefer a small earbud format and want the longer stated total playtime and call-focused features.
AYI Open Ear Air is for someone who does not want a headphone design that blocks the ears. Its open-ear air-conduction layout is the defining choice here: audio reaches you while your ears remain uncovered. For remote work, that can make sense if you want to listen to a meeting or podcast without shutting yourself off from nearby conversation or everyday sounds.
Bluetooth 5.4 provides wireless connectivity, while the listed battery life is up to 10 hours. That gives the AYI a straightforward role for a workday that includes calls, listening, or a workout afterward, though the sheet does not provide a separate talk-time figure. Its IPX4 rating is intended for sweat and light splashes, which broadens its use beyond a desk to exercise or outdoor activity in conditions where that level of resistance is appropriate.
The trade-off is inherent in the open-ear design: it does not seal the ear, so it is not the pick for someone seeking strong passive isolation from surrounding noise. The product information lists active noise cancellation, but it does not explain how that feature works alongside the open-ear fit. I would not treat it as a substitute for a sealed, noise-blocking headset. Skip AYI if your priority is keeping outside sound out or getting the longer stated total playtime.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Defunc True LITE II is for listeners who prefer earbuds that sit in the ear rather than an open-ear frame. The fit is described as semi-in-ear, and the 13 mm dynamic driver is presented as the basis for music, podcasts, movies, and calls. That makes it a more conventional choice for someone moving between a work call, a playlist, and a video during the day.
For remote work, the most relevant listed feature is ENC clear calls. That signals a call-focused design, although the product sheet does not provide microphone specifications or measured call performance. Bluetooth 6.0 handles wireless connectivity, and the listed battery figure is up to 20 hours of total playtime. The sheet does not clarify the split between a single charge and any charging case contribution, so I would read that as a total-use figure rather than assume 20 hours from the earbuds alone.
Defunc also lists low-latency performance, touch controls, passive noise cancellation, IPX4 water resistance, and AI app compatibility. These details point to everyday versatility, from video watching to commuting and light exposure to sweat or splashes. The trade-off is that an in-ear style does not leave the ears as open as AYI’s design, and passive noise cancellation is not the same as active noise cancellation. Skip Defunc if your main requirement is an open-ear fit that leaves your ears unblocked.
• Best for keeping your ears unblocked → AYI Open Ear Air. Its open-ear air-conduction design is the clearest reason to choose it over conventional earbuds.
• Best for longer stated total playtime → Defunc True LITE II. Its listed total is up to 20 hours, compared with AYI’s 10-hour battery-life figure. The Defunc sheet does not specify how that total is divided between earbuds and case.
• Best for a headset-style option during outdoor activity → AYI Open Ear Air. Its open fit supports awareness, and IPX4 resistance is listed for sweat and light splashes.
• Best for a compact semi-in-ear format → Defunc True LITE II. It is described as lightweight and portable, with a semi-in-ear ergonomic fit.
• Best for listed call features → Defunc True LITE II. ENC clear calls are specifically named, though the sheet does not give microphone details or a call-quality measurement.
• Best for someone who wants to avoid a sealed-feeling earbud → AYI Open Ear Air. Its open-ear placement is distinct from Defunc’s in-ear bud shape.
• Best for Bluetooth version on paper → Defunc True LITE II. It lists Bluetooth 6.0, while AYI lists Bluetooth 5.4; that difference alone does not establish which will work better with a particular device.
• Best for trying to find hi res over ear headphones for remote work → neither is an over-ear model. AYI is open-ear and Defunc is semi-in-ear, so shoppers specifically seeking over-ear headphones should look at another style.
A shopper looking for the best with microphone kids headset for remote work should also pause before choosing either one on that phrase alone. The sheets identify an ENC clear-call feature for Defunc and clear calls in AYI’s product title, but neither provides a detailed microphone specification or confirms a child-specific fit. For a bluetooth headset for remote work, the choice is therefore more about wearing style and stated features than a verified microphone comparison.
My Verdict
I would switch to AYI Open Ear Air if keeping my ears unblocked mattered more than the longer battery figure. For remote work that includes frequent nearby conversation, that open-ear design is a meaningful reason to choose it instead.
Start with the fit, not the Bluetooth version. AYI is explicitly open-ear; Defunc is semi-in-ear. Those are different ways of wearing headphones, and the right one depends on whether you want to keep your ears uncovered or prefer earbuds sitting in them. Neither product sheet provides detailed fit measurements, so the descriptions are the useful comparison—not a guarantee that either will suit every ear.
Next, be precise about the battery figures. AYI lists an average battery life of 10 hours. Defunc lists up to 20 hours of total playtime, but does not explain the contribution from the earbuds versus the case. The figures are not presented on identical terms, so they do not establish a direct, same-condition battery test. If long stretches between charging matter, Defunc’s stated total is the stronger figure, but it is worth checking the product details for how that total is defined.
For calls, Defunc names ENC clear calls, while AYI’s title refers to clear calls and its feature list emphasizes the open-ear design. Neither sheet specifies microphone placement, microphone count, or call performance in noisy rooms. I would not assume either one will eliminate background noise in a busy home office based on these details alone. If your work depends on frequent calls, make the stated call feature part of your decision, but keep the limits of the available information in mind.
Finally, consider where you will wear them. Both list IPX4 water resistance, and AYI specifically describes suitability for sweat and light splashes. That is useful for ordinary exercise or outdoor routines, but it does not mean either product is intended for swimming or immersion. Defunc adds touch controls, low latency, and AI app compatibility to its listed features; AYI emphasizes open-ear awareness and Bluetooth 5.4. Match those differences to your routine rather than treating a newer Bluetooth number as a complete measure of performance.
FAQ
The sheets describe different approaches. AYI lists active noise cancellation but does not explain how it works with the open-ear design; Defunc lists passive noise cancellation. Neither sheet provides a noise-reduction measurement, so the feature labels alone do not establish which will make a noisy room quieter.
Defunc specifically lists ENC clear calls, while AYI’s title mentions clear calls. The provided details do not give microphone specifications or comparative call tests, so there is not enough information to claim one will sound better in every setting.
Consider the fit, battery details, and features you will actually use, then check the current price on Amazon. The listed specifications do not establish which option offers better value for your needs.
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