If you want the pair I'd trust on a work call — three-device multipoint, eight mics and voice-focused processing — choose Technics Hi-Fi True; if you need headphones that can run for days, seal out a subway and still work with a cable, choose 1MORE Over Ear. For calls specifically, my pick leans Technics. For everything else in a long day — travel, long listening sessions, forgetting to charge — the 1MORE is the easier thing to live with.
• Technics Hi-Fi True — biggest strength: It is built around voice. Eight high-sensitivity MEMS mics, JustMyVoice processing and three-device multipoint make it the more purpose-built call tool of the two.
• Technics Hi-Fi True — biggest trade-off: Endurance and fallbacks. You get roughly 7 hours with noise cancelling on (about 24 with the case), a 2-hour charge time, and no headphone jack at all.
• 1MORE Over Ear — biggest strength: Battery and flexibility. Up to 100 hours standard or 65 with ANC, a 5-minute top-up that adds around 10 hours, and a 3.5 mm wired mode when the battery is empty.
• 1MORE Over Ear — biggest trade-off: Bulk and portability. It's a closed over-ear that lives in a bag, not a pocket, and its connectivity story is simpler than the Technics' three-device switching.
• Who each is for: Technics for the person whose day is a string of calls and who wants buds in a case on the desk. 1MORE for the traveller, the long-session listener, and anyone who wants one headphone that never makes them think about charging.
This is a small in-ear bud with a serious audio spec sheet: a 10 mm free-edge dynamic driver, a 20 Hz–20,000 Hz range, Bluetooth 5 with LDAC support for hi-res wireless, and active noise cancelling controlled through the Technics Audio Connect app. The charging case is Qi-compatible, so it drops onto a wireless pad instead of hunting for a cable. The tips are a foam concha-fit design, which matters more than the marketing suggests — the seal is what makes both the noise cancelling and the bass behave.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
The call hardware is where it separates itself. Eight MEMS mics plus JustMyVoice grab your voice and push it forward, and the three-point multipoint connection keeps a laptop, a phone and a tablet paired at once, auto-switching when a call comes in or new media starts. Voice control is also listed as a control method, with the app covering modes and settings — that combination is exactly what people hunting for the best voice assistant headphones for calls are trying to find, because you can adjust and answer without touching your phone mid-meeting.
Buy it if: you take calls all day, you bounce between devices constantly, you want something pocketable, and you like the idea of a wireless charging pad on your desk. Skip it if: you need a wired backup (there is no jack), you regularly take long flights where 7 hours with ANC won't cover the trip, or in-ear tips bother you after a couple of hours.
One honest caveat on the search terms: if you've been typing "best open ear earbuds for calls" into a search bar, this isn't that product. The AZ80 is a sealed in-ear design with tips that press into the concha for isolation — the opposite philosophy from open ear. It's the better call tool of these two, but it's a different category.
The 1MORE is a closed over-ear built around a 40 mm diamond-like-carbon driver with a 20 Hz–40,000 Hz range, LDAC and dual Hi-Res certification, and Bluetooth 5.4. QuietMax dual-feed active noise cancelling is rated to cut 45 dB+ of outside noise, and because it's a closed headphone with protein leather cushions over your ears, the passive isolation is already doing work before the electronics kick in. The tuning is credited to studio engineer Luca Bignardi, and the presentation is described as natural and balanced rather than bass-forward.
The battery is the headline: up to 100 hours without ANC, about 65 with it on, and a five-minute charge that buys roughly ten more hours. Then there's the 3.5 mm jack and wired mode — genuinely useful on a plane seat-back screen, a desktop amp, or any day the battery finally runs down. For calls, it relies on AI-driven noise reduction and mic processing rather than a large mic array, and the listing mentions a dual connection for pairing two devices.
Side-by-Side: Which Should You Choose?
• Best for voice quality on calls → Technics Hi-Fi True. Eight mics and JustMyVoice are the more specialised setup for transmitting your voice clearly.
• Best for battery life → 1MORE Over Ear. Up to 100 hours, 65 with ANC, plus a fast top-up. There's no contest.
• Best for juggling devices → Technics Hi-Fi True. Three-point multipoint across computer and mobile devices, with automatic switching.
• Best for flights and noisy commutes → 1MORE Over Ear. Over-ear cups plus 45 dB+ ANC beats a sealed bud for blocking engine drone.
• Best for wired setups → 1MORE Over Ear. The 3.5 mm jack means it works with older gear and never becomes a paperweight.
• Best for pocketability → Technics Hi-Fi True. A small case you can actually carry, versus a full-size headphone bag.
• Best for voice assistant and app control → Technics Hi-Fi True. Voice control plus the Audio Connect app for modes and noise cancelling.
• Best for all-day wear in one stretch → 1MORE Over Ear. Cushions and an adjustable headband are kinder than in-ear pressure over a ten-hour day.
In my opinion, the Technics Hi-Fi True is the one to buy if calls are the reason you're shopping. The mic array, the voice processing and the three-device multipoint aren't features you'll use once a month — they're the difference between sounding clear and sounding like you're underwater, every single day. I'd pick it for anyone whose calendar is the main event.
If that's not you, though, the 1MORE Over Ear is the more forgiving purchase. The battery alone removes an entire category of daily anxiety, the wired mode adds years of usefulness, and the closed cups do a lot of quiet work for call clarity on the other end. Check both on the current price before deciding — the value question turns on what you actually pay, and that can shift.
FAQ
Which is better for work calls, Technics Hi-Fi True or 1MORE Over Ear?
How long does the battery actually last on each?
Technics is rated around 7 hours with noise cancelling, about 24 with the case, on a 2-hour charge. The 1MORE is rated up to 100 hours without ANC and around 65 with it, with a 5-minute quick charge adding roughly 10 hours.
No — and that's worth knowing before you buy. The Technics is a sealed in-ear bud and the 1MORE is a closed over-ear. If you specifically want the best open ear headphones for calls, neither of these fits that brief; both prioritise isolation instead. They're still the two I'd compare for clarity, just not for openness.
It's not about more — it's about which features you want. The 1MORE includes a 3.5 mm jack and wired mode, while the Technics has no jack at all and relies on Bluetooth only. Worth checking the current price on Amazon for both before you commit, since value depends on what each costs on the day.
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