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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
• RED STAR TEC T-90 — biggest strength: Active Noise Cancellation plus Dual Mode audio (Music and low-latency Gaming), an IPX6 sweatproof build, and a 10 m Bluetooth 5.3 range.
• RED STAR TEC T-90 — biggest trade-off: 6 hours of battery life per charge and a fairly short 10 m wireless range, so heavy all-day users will be reaching for the case more often.
• QXUFV Open Ear Headphones — biggest strength: A true open-ear design weighing just 9.5 g, IPX7 water resistance, Bluetooth 5.4 with a 15 m range, and a 50-hour battery figure.
• QXUFV Open Ear Headphones — biggest trade-off: Passive noise cancellation only, meaning outside sound comes in — which is the whole point, but not what you want in a loud gym.
• Who the RED STAR TEC T-90 is for: Anyone who wants sealed, noise-cancelling sound for workouts, calls and gaming.
• Who the QXUFV Open Ear Headphones are for: Runners, cyclists and all-day wearers who want to hear traffic and their surroundings.
The RED STAR TEC T-90 (model RST T-90, part of the BoomSounZ line) is an in-ear earbud built around active listening. It uses Environmental Noise Cancellation with built-in microphones to cut down background noise, and it supports the SBC/ANC codec for deeper bass. If you take calls in a noisy room, that microphone setup is doing real work. The touch controls handle calls, music, volume and modes from a single tap surface, and you can summon your voice assistant without pulling out your phone.
For training, the IPX6 rating is the headline. That is a sweatproof spec aimed squarely at intense activity, and the rounded-tip in-ear shape plus the included S-L ear tips let you dial in a fit that stays put. In my opinion, a sealed in-ear design with adjustable tips is the more stable choice for lifting, HIIT and treadmill work where you do not want an earbud shifting mid-set. The Dual Mode audio is a nice touch too: Music Mode for deep bass, Gaming Mode for ultra-low latency when you want your audio to sync with what is on screen.
Who should buy it: people who prioritise active noise cancellation, a locked-in fit for sweaty sessions, and gaming-friendly low latency. Who should skip it: anyone who wants to hear traffic while running, or who wants to charge once a week instead of every day.
QXUFV Open Ear Headphones: Who It's For
The QXUFV Open Ear Headphones (model QX68) take the opposite approach. They rest around your ears instead of inside them, keeping your ear canals completely open. The whole assembly weighs just 9.5 g and uses ultra-light, skin-friendly materials, so the design intent is clear: you forget you are wearing them. If in-ear buds give you that pressure or plugged-up feeling after an hour, this is the format that fixes it.
The safety angle is the real argument here. Because the drivers sit outside your ears, you stay aware of your surroundings — approaching cars, other cyclists, a coach shouting instructions. For outdoor running and road cycling, that awareness matters more than isolation. Sound comes from upgraded 14.2 mm dynamic drivers with a 20 Hz to 20,000 Hz range, which is a notably large driver for this style, and the spec sheet promises clear calls via the HD mic.
On durability, the QXUFV goes further than most: IPX7 water resistance means it handles sweat and rain, not just light splashes. Bluetooth 5.4 gives a 15 m range, and it reconnects automatically once paired. The battery figure is the standout — 50 hours of playtime with up to 10 hours per earbud, plus an LED display on the case showing remaining power. The warranty is stated as 24-month repairment support.
Who should buy it: runners, cyclists, walkers, and anyone who wears earbuds for hours and hates ear fatigue. Who should skip it: anyone who wants noise cancelled around them — this is passive noise cancellation only, so loud gyms and noisy commutes will leak in.
Side-by-Side: Which Should You Choose?
• Best for rain and heavy perspiration → QXUFV Open Ear Headphones. IPX7 is the higher water-resistance rating of the two.
• Best for battery life → QXUFV Open Ear Headphones. 50 hours total with up to 10 hours per earbud versus 6 hours on the T-90.
• Best for noise cancellation → RED STAR TEC T-90. It has active noise cancellation; the QXUFV is passive only.
• Best for outdoor safety → QXUFV Open Ear Headphones. Open-ear placement keeps you aware of traffic and surroundings.
• Best for gaming and low latency → RED STAR TEC T-90. Dual Mode audio includes a dedicated Gaming Mode for audio sync.
• Best for all-day comfort → QXUFV Open Ear Headphones. 9.5 g and an open-ear fit designed to be worn without fatigue.
• Best for wireless range → QXUFV Open Ear Headphones. Bluetooth 5.4 with a 15 m range versus Bluetooth 5.3 at 10 m.
If I were buying for myself, I would pick the QXUFV Open Ear Headphones. The combination of 9.5 g open-ear comfort, IPX7 water resistance, 50 hours of playtime and Bluetooth 5.4 with a 15 m range covers more of my actual week — runs, walks, calls, all-day wear — than a 6-hour sealed earbud would. That said, if your training happens indoors in a loud gym and you want the noise pushed away rather than let in, the RED STAR TEC T-90's active noise cancellation, IPX6 sweatproof build and low-latency Gaming Mode make it the better fit. Match the format to where you sweat, and either one does its job.
FAQ
what are sports earbuds
how to wear sports earbuds
For in-ear models like the RED STAR TEC T-90, fit the S-L ear tips that seal comfortably in your canal and twist gently until the rounded tip sits snug. For open-ear models like the QXUFV, rest the hooks around your ears with the drivers sitting outside the canal — nothing should go inside, and the 9.5 g weight means no pressure.
how to use sports earbuds
Both pairs use touch controls. On the RED STAR TEC T-90 you tap to manage calls, music, volume and modes, and you can trigger your voice assistant. The QXUFV uses taps for play/pause, calls, volume, track skipping and the voice assistant, and its LED display shows the case's remaining power.
how to connect sports earbuds
Both are wireless Bluetooth with no headphone jack. The RED STAR TEC T-90 pairs with iOS, Android and laptops over Bluetooth 5.3 at up to 10 m. The QXUFV uses Bluetooth 5.4 at up to 15 m and reconnects automatically when you remove the headset after the first pairing.
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See also: QXUFV Open Ear Headphones vs Nequga Earbuds, Anker Soundcore vs Conyat 6.0: Open Ear Headphones, PowerLocus Over-Ear Headphones vs Jiunai Open Ear: Aux Wired