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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-27 · 7 min read · Independent comparison
• One Plus Bullets — biggest strength: extraordinary battery endurance, with up to 36 hours of playback and a 10-minute charge that buys 27 hours of listening.
• One Plus Bullets — biggest trade-off: it's a neckband. You get an around-the-neck cable rather than two free-floating buds, and the manufacturer covers it with a 30-day seller return rather than a manufacturer's warranty.
• havit Space T1 — biggest strength: serious noise control for the money class — adaptive hybrid ANC rated up to -35±3dB, plus six microphones with AI ENC for calls.
• havit Space T1 — biggest trade-off: battery is measured in hours per charge, not days, and its headline spatial audio mode can't run at the same time as adaptive ANC.
• Who each pick is for: One Plus Bullets for commuters, runners and call-heavy days where charging anxiety is the enemy; havit Space T1 for people who want a quiet bubble on the train or plane and true wireless freedom.
The OnePlus Bullets Wireless Z3 is a neckband-style in-ear headphone with a skin-friendly silicone band. It weighs just 26 grams, which is very light for something that rests on your collarbone, and the silicone enclosure is listed as Mambo Midnight. If you've used neckbands before, you know the appeal: the buds hang around your neck when you pull them out, so you're never hunting for a case or worrying about dropping one on the pavement.
What it really does best is endurance. You get up to 36 hours of playback on a charge and up to 21 hours of talk time. Then there's the headline trick — a 10-minute charge that unlocks 27 hours of playback. For someone who forgets to charge, that changes the whole relationship with the product. You plug in while you brush your teeth and you're set for a week of commutes. On top of that, 12.4mm dynamic bass drivers and 3D Spatial Audio handle the sound, with a Sound Master EQ and BassWave offering four presets to tune the tone. AI call noise cancellation keeps your voice clean on calls, Bluetooth 5.4 with Google Fast Pair handles quick pairing, and IP55 means sweat and light rain aren't a problem.
Who should buy it? Long-haul travellers, gym-goers, delivery riders, and anyone who lives on calls and can't stand a battery indicator that's always blinking red. The IP55 rating plus the neckband design also makes it a natural fit for running and workouts, where a loose earbud is a genuine risk.
havit Space T1: Who It's For
The havit Space T1 is true wireless earbuds in a stick shape, sold with a black plastic charging case that measures roughly 2.16 by 2.09 by 1 inches. Each earbud weighs 4.8 grams, and the semi-in-ear design deliberately rests without sealing the ear canal. That's a meaningful design choice: you get less of that plugged-up pressure feeling, and you can still hear a bit of the world around you when you want to.
The spec sheet's centrepiece is noise control. Adaptive Hybrid ANC 3.0 adjusts in real time and is rated up to -35±3dB of cancellation depth, aimed at offices, cafés, commutes and travel. For calls, six microphones with AI ENC work to reduce background and wind noise, with wind noise resistance rated at 6 m/s — genuinely relevant if you take meetings while walking. Sound comes from 13mm dynamic drivers with head-tracked spatial audio, and Hi-Res Wireless Audio with LHDC is supported on compatible devices. One caveat straight from the specs: spatial audio and adaptive ANC can't be used at the same time. You pick your mode. Meanwhile ANC and multipoint connection also conflict in the app, which is worth knowing before you blame the earbuds for a missing feature.
Battery is up to 9 hours per charge, up to 40.5 hours total with the case, and up to 5 hours of talk time, with those playtime figures tested at 60% volume with ANC off. Charging is Type-C and takes about 2 hours. Bluetooth 6.0 supports multipoint between two paired devices, IP54 covers sweat and dust, and the HAVIT LIFE app adds control and updates. Impedance is 16 ohm, sensitivity 121.2 dB, frequency response up to 20 kHz, and audio latency is listed at 60 milliseconds — useful for gaming and video. Bluetooth range is 10 metres.
Who should buy it? Commuters, open-plan office workers, students, and movie or gaming fans who want an immersive soundstage and a quiet bubble. The 2-year warranty is a meaningful reassurance too.
Side-by-Side: Which Should You Choose?
• Best for battery endurance → One Plus Bullets. Up to 36 hours of playback and 21 hours of talk time from one charge is a different league from 9 hours per charge.
• Best for fast top-ups → One Plus Bullets. A 10-minute charge for 27 hours of playback is the single most practical spec on either sheet.
• Best for noise cancelling → havit Space T1. Adaptive hybrid ANC rated up to -35±3dB, versus a neckband ANC implementation.
• Best for call clarity → havit Space T1. Six microphones with AI ENC and 6 m/s wind noise resistance is more hardware than the OnePlus's AI call noise cancellation.
• Best for immersive, cinematic listening → havit Space T1. Head-tracked spatial audio with 13mm drivers and LHDC support is built for movies and gaming.
• Best for workouts and rain → One Plus Bullets. IP55 beats IP54 on water and sweat resistance, and the neckband won't fall out mid-run.
• Best for true wireless freedom → havit Space T1. No cable, a compact charging case, and multipoint across two devices.
• Best for warranty peace of mind → havit Space T1. A 2-year warranty versus a seller-provided 30-day return on the OnePlus.
In my opinion, the havit Space T1 is the more versatile buy for most people, because adaptive hybrid ANC, six-mic call clarity, head-tracked spatial audio and a 2-year warranty cover more of everyday life — commuting, calls, movies, gaming. I'd pick the One Plus Bullets instead if my priority were endurance, sweat resistance and never thinking about a charger again: 36 hours plus a 10-minute emergency top-up is genuinely hard to argue with. If you're torn, decide which problem you have more often — a dead battery or a noisy world. Then check the current price on Amazon for the one that matches, since that's the last variable I can't weigh for you.
FAQ
One Plus Bullets: up to 36 hours of playback and 21 hours of talk time, with a 10-minute charge giving 27 hours. havit Space T1: up to 9 hours per charge, up to 40.5 hours with the case, and up to 5 hours of talk time.
No. The specs state that spatial audio and adaptive ANC cannot be used simultaneously. ANC also conflicts with multipoint connection in the app, so turn off those modes when you want noise cancelling.
The One Plus Bullets, in my view. Its neckband stays put, it's rated IP55 for water and sweat, and it's light at 26 grams. The havit Space T1 is IP54 and semi-in-ear, which is fine for daily use but less secure for hard workouts.
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