We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-17 · 6 min read · Independent comparison
If you want a simple, wired, tangle-free set of retractable earbuds you can toss in a bag and use with any 3.5mm device, choose ULTECHNOVO Retractable Earbuds; if you need a wireless, wearable 2-pack you can share and use hands-free while moving, choose BULYPAZY 2-Pack.
• ULTECHNOVO Retractable Earbuds — biggest strength: a retractable cord winder built into a compact ABS/PVC housing, so the cable stores neatly and doesn't tangle between uses.
• ULTECHNOVO Retractable Earbuds — biggest trade-off: it's a single wired earbud with a 3.5mm jack, so there's no Bluetooth and no backup pair in the box.
• BULYPAZY 2-Pack — biggest strength: two wireless Bluetooth headbands in one package with built-in speakers, control buttons and more than 12 hours of playtime per charge.
• BULYPAZY 2-Pack — biggest trade-off: it's a headband-style wearable, not an in-ear earbud, and the brand explicitly says it's not recommended for sleeping.
• Who ULTECHNOVO is for: anyone with a 3.5mm jack who wants a lightweight, pocketable, no-battery wired option.
• Who BULYPAZY is for: women who dislike in-ear buds, want a hands-free headband for workouts or errands, and like the idea of sharing or gifting the second one.
The ULTECHNOVO Retractable Earbuds are refreshingly uncomplicated. The core idea is a wired in-ear earphone with a retractable cable mechanism — the brand calls it a "winder" — that lets you pull the cord out for use and retract it back into the housing afterward. The housing itself is small (listed at roughly 12 x 3 x 1.2 cm) and made of ABS and PVC, which is the kind of hard plastic you'd expect on a budget-friendly portable accessory. It's white, it's lightweight, and the whole point is that it disappears into a pocket or bag without becoming a knotted mess.
Sound and fit are straightforward. The in-ear cushions are described as sitting comfortably in the ear for longer listening, and the frequency range covers 20 Hz to 20,000 Hz — the standard full-range span you'd see on most wired earphones. There's also an active noise cancellation control listed, which is unusual at this category and worth noting if you want to dampen background sound. Connection is purely analog: a 3.5mm jack that plugs into MP3 players, CD players, personal stereos, smart devices, or anything else with that socket. No pairing, no charging, no app.
BULYPAZY 2-Pack: Who It's For
BULYPAZY takes a completely different approach: this isn't an earbud at all, it's a fabric headband with ultra-thin speakers sewn into it. The band is made of polyester and spandex, so it stretches to fit most head sizes, and it's designed with a twist-knot detail that the brand positions as a fashion element as much as a functional one. You get two headbands in different colors (red and black) in a single package, plus a Type-C charging cable and a user manual.
The appeal here is comfort and staying power. If you're the kind of person who finds in-ear buds irritating or prone to falling out, a headband that sits flat against your head and holds the speakers near your ears is a genuinely different experience. The brand specifically recommends it for workout, running, yoga, fitness and general outdoor activity, and notes it stays in place well. There are control buttons on the right side for volume, track skipping and answering calls, so you don't need to reach for your phone mid-session. Bluetooth pairing works with Android and iOS phones, tablets and laptops.
Battery life is one of the stronger points: the built-in Li-ion battery charges fully in about 1–2 hours and is rated for more than 12 hours of playtime. The headbands are also lightweight and foldable, and the band fabric is washable — though you must remove the speakers first. It's worth flagging the brand's own caveat clearly: this is not recommended for sleeping, so it isn't a bedtime headband. It's also a wearable, so it's not discreet in the way a small earbud is; you're wearing a visible headband.
Who should buy it? Women who want hands-free audio during workouts or daily movement, anyone who dislikes the pressure of in-ear tips, and gift-givers — the two-pack format naturally suits sharing with a friend, sister or mom. Who should skip it? If you need something hidden, something for sleep, or something with a wired connection to a non-Bluetooth device, look elsewhere.
• Best for tangle-free wired simplicity → ULTECHNOVO Retractable Earbuds, thanks to the retractable winder and no charging required.
• Best for wireless freedom while moving → BULYPAZY 2-Pack, with Bluetooth pairing and a stay-in-place headband design.
• Best for battery life → BULYPAZY 2-Pack, rated for more than 12 hours per charge with a 1–2 hour recharge time.
• Best for devices with a 3.5mm jack → ULTECHNOVO Retractable Earbuds, since it plugs straight into MP3 players, CD players and similar gear.
• Best for people who dislike earbuds → BULYPAZY 2-Pack, because the speakers sit in a soft fabric band rather than inside your ear canal.
• Best for sharing or gifting → BULYPAZY 2-Pack, which ships as two headbands in different colors.
• Best for in-ear fit and portability → ULTECHNOVO Retractable Earbuds, a compact in-ear design with cushioned tips that fits in a pocket.
• Best for workouts and outdoor activity → BULYPAZY 2-Pack, which the brand designs specifically for running, yoga and fitness.
In my opinion, most people shopping this comparison will get more day-to-day use out of the BULYPAZY 2-Pack. The wireless Bluetooth connection, the 12-plus hours of playtime, the on-band controls and the two-for-one packaging make it the more flexible, more modern choice — especially if you move around a lot or dislike the feel of earbuds. I'd pick the ULTECHNOVO Retractable Earbuds only if you specifically need a wired 3.5mm connection or you want the zero-hassle retractable cord with no battery to think about. Two different jobs, two different answers — but for the average listener in 2026, the headband wins.
FAQ
No. It's a wired earphone that connects through a 3.5mm jack. There's no Bluetooth, so it works with MP3 players, CD players, laptops and other devices that have that port.
The brand rates it at more than 12 hours of playing time on a single charge, with a full recharge taking roughly 1 to 2 hours via the included Type-C cable.
The brand states it is not recommended for sleeping. It's positioned for workouts, running, yoga, travel and casual wear instead.
That depends on what you need. BULYPAZY gives you two wireless headbands and a charging cable in one package; ULTECHNOVO gives you a single wired earphone. Check the current price on Amazon for both before deciding, since value shifts with whatever deal is live.
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