Neither product is specified with a boom microphone or call-center headset controls, so I would not treat either as a dedicated professional headset. Still, for someone choosing between these two for calls and everyday listening, the mifo is the clearer fit.
If you want open-ear comfort and longer listening for a call center, choose mifo FiiTii Z Open; if you need compact earbuds designed for sleeping on your side, choose Ertuly Sleep Earbuds. The mifo’s open-ear design and simultaneous connection to two devices make it the more practical option for work and daily use. Ertuly is built around a different priority: a small in-ear fit for rest.
Neither is described as a dedicated call-center headset, and neither product information sheet specifies a boom microphone. So if your work depends on a purpose-built call setup, keep that distinction in mind. Between these two, though, I’d choose the mifo for a workday and reserve Ertuly for sleep.
mifo FiiTii Z Open vs Ertuly Sleep Earbuds at a Glance
• mifo FiiTii Z Open: Open-ear design, Bluetooth 5.4, and up to 8 hours of playtime per charge. Trade-off: its open fit is not designed to seal the ear or provide active noise cancellation.
• Ertuly Sleep Earbuds: Compact in-ear design, active noise cancellation, and an LED display for battery levels. Trade-off: up to 6 hours of playtime per charge, and its sleep-first design is less suited to a general work headset role.
• Choose mifo for open-ear listening, calls alongside other everyday tasks, and connection to two devices at once.
• Choose Ertuly for side-sleeping, overnight wear, and reducing some environmental noise with ANC.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-22 · 7 min read · Independent comparison
The mifo FiiTii Z Open has an open-ear, curved-hook design rather than an earbud that sits inside the ear canal. Each earbud weighs 5.9 grams, and the maker describes the fit as suitable for long wear and glasses. That design could appeal if you dislike the plugged-in sensation of traditional in-ear headphones or want to stay more aware of sounds around you while listening.
For a call-center worker, the most useful features on paper are the simultaneous connection to two devices and up to 8 hours of playback on a single charge. You could pair it with a work device and another device, then switch between audio sources. The product information also describes ENC call noise cancellation and wind-noise reduction, but it does not specify a microphone setup or promise the kind of call handling features found on a dedicated headset. Treat those call-related details as a potential advantage, not proof that it will suit every busy office.
I’d consider the mifo for someone who wants a lightweight, open fit for work, commuting, or exercise. Its IPX5 rating is specified for sweat and light rain, which adds flexibility beyond desk use. I’d skip it if you need active noise cancellation, a sealed in-ear fit, or a headset specifically equipped for professional calls.
Ertuly’s earbuds are in-ear buds designed with sleep in mind. Each weighs 3 grams, and the product description emphasizes a compact shape intended for side-sleeping and extended wear. That makes them a more natural fit for someone who wants small earbuds for bedtime, relaxation, or meditation than for someone shopping primarily for a work headset.
Active noise cancellation is the clearest feature separating Ertuly from the mifo. It is intended to reduce disturbances such as snoring, city noise, or sounds around the home. ANC can be useful when you want a quieter listening environment, but the supplied details don’t say how much noise it blocks or establish that it will remove every sound. The earbuds also have an LED display for monitoring the power levels of the buds and case.
Ertuly offers up to 6 hours of continuous playtime and up to 30 hours total with the case. Its sleep-focused shape and noise control may suit someone prioritizing rest, but the available specifications don’t describe dual-device connection or call noise cancellation. I’d skip it as a first choice for a call center if your main needs are workday flexibility and switching between devices.
Side-by-Side: Which Should You Choose?
• Best fit for a call-center workday → mifo FiiTii Z Open. Its open-ear design and two-device connection fit everyday work use more naturally, although it is not specified as a dedicated call-center headset.
• Best for longer playback on one charge → mifo FiiTii Z Open. The stated maximum is up to 8 hours, compared with up to 6 hours for Ertuly.
• Best for active noise cancellation → Ertuly Sleep Earbuds. Ertuly specifies ANC; the mifo’s listed noise control is none.
• Best for connecting two devices at once → mifo FiiTii Z Open. Its simultaneous pairing feature is useful if you move between a work device and another source.
• Best for checking battery levels at a glance → Ertuly Sleep Earbuds. Its case includes an LED display for the power levels of the earbuds and case.
• Best for workouts or light rain → mifo FiiTii Z Open. Its IPX5 rating is described for sweat and light rain; no water-resistance rating is provided for Ertuly.
• Best if you dislike an in-ear fit → mifo FiiTii Z Open. Its open-ear design avoids placing the bud inside the ear canal.
The main decision is not simply “work versus sleep”; it’s whether you want an open fit or an in-ear fit. The mifo leaves the ear more open and is positioned for use across work, exercise, and everyday listening. Ertuly prioritizes a small in-ear profile and noise reduction for rest. Neither specification sheet makes either product a clear substitute for a conventional headset with a dedicated microphone boom, so call-center buyers should weigh that limitation carefully.
If you’re searching for the best Bluetooth earbuds for call center use, these two offer different compromises rather than a purpose-built call-center package. The mifo is the more convincing choice for a wireless headset for call center tasks if you value open-ear comfort and dual-device pairing. But the word “headset” can imply features that aren’t specified here, especially a dedicated microphone arrangement. Check what your work calls require before relying on either pair as your only call device.
I’d choose the mifo FiiTii Z Open between these two. Its open-ear fit, dual-device connection, and up-to-8-hour playback make it the more practical option for general work and a call-center routine. That’s a relative recommendation, not a claim that it replaces a dedicated professional headset. For someone whose priority is side-sleeping and ANC, I’d choose Ertuly instead.
FAQ
I’d pick the mifo for its open-ear design, dual-device connection, and longer stated playback time. Neither product is specified with a boom microphone, so confirm that its call features suit your workplace before relying on it as your main headset.
Yes. Ertuly specifies ANC intended to reduce disturbances such as snoring, city noise, and household sounds. The available information doesn’t quantify how much noise it blocks.
Ertuly is the clearer fit because its compact in-ear design is specifically intended for side-sleeping. The mifo uses an open-ear curved hook and is positioned for general listening, exercise, and everyday use rather than sleep.
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