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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
• ASIILOVI 2-Pack — biggest strength: a 3-in-1 headband that works as sleep mask, headband and headphones, with adjustable hook-and-loop sizing and a washable fabric band.
• ASIILOVI 2-Pack — biggest trade-off: it's a soft fabric band, not an open-ear sports rig, so it won't give you the ambient awareness or the safety light a road runner wants.
• KLKE Bone Conduction Headphones — biggest strength: open-ear bone conduction plus a rear safety light, dual Indoor/Outdoor sound modes, IP66 sweat protection and a 32 g build.
• KLKE Bone Conduction Headphones — biggest trade-off: bone conduction trades bass depth for awareness, and there's no fabric band to wash or sleep mask to pull down over your eyes.
• Pick ASIILOVI 2-Pack if you want music while sleeping, napping, travelling or doing gym and yoga sessions — and you want two of them.
• Pick KLKE Bone Conduction Headphones if you run, cycle, hike or commute outdoors and staying aware of traffic matters more than deep bass.
The ASIILOVI 2-Pack (model HF013) is built around one idea: a headband that does three jobs at once. It's a sleep mask, a headband and a pair of Bluetooth headphones in a single piece of soft fabric. The band is adjustable with hook-and-loop fastening, so it's meant to fit all head sizes rather than forcing you into one fixed size. That adjustability is the whole point — you set it once and it stays put whether you're on your back, your side or moving around.
The practical details matter here. The speakers sit inside the band and can be repositioned to line up with your ears, which is what makes it comfortable for side sleepers — there's no earbud pressing into your ear canal or falling out at 3 a.m. The fabric is described as soft, lightweight, breathable and hypoallergenic, and the band is washable once you remove the speakers. Bluetooth 5.4 handles the connection, with a 2-hour charge giving more than 12 hours of playtime and roughly 45 feet of wireless range. A built-in mic handles calls, and the package includes the headband and a Type-C cable, backed by a 1-year manufacturer warranty.
Who should buy it: side sleepers, air travellers, office nappers, and anyone who wants audio during yoga, jogging, gym work or audiobooks without earbuds in their ears. The 2-pack format also makes it easy to keep one at home and one in a bag — or to split it with a family member, since ASIILOVI positions it as a gift for teens and adults alike. Who should skip it: if your priority is hearing traffic while you run on open roads, this isn't the tool. It's a fabric band, not an open-ear design, and there's no safety lighting.
The KLKE Bone Conduction Headphones (model KLKE-Gray-Z3) solve a different problem. They sit open-ear, using a bone conduction driver to send sound through your cheekbones rather than into your ear canal. That means you keep hearing traffic, voices and your surroundings while music, calls or podcasts play. For runners, cyclists, commuters and outdoor workouts, that awareness is the feature, not a compromise.
The safety angle goes further: there's a built-in rear safety light to improve visibility on night runs, evening walks and low-light rides. Fit is handled by an adjustable silicone back strap that tightens the frame to different head sizes — again, adjustability as a core design choice. At 32 g it's a lightweight frame meant to stay comfortable through long workouts without ear pressure. You get two sound profiles: Indoor Mode for balanced clarity on calls, podcasts and gym sessions, and Outdoor Mode for fuller sound when you're running or riding. The enclosure is PU, controls are push-button, and there's no headphone jack — it's wireless Bluetooth with a 10-metre range.
On the spec side: IP66 sweatproof protection, a clear-call microphone, USB-C charging, 3-hour charge time and up to 10 hours of playtime. It's sized and described for adults, ships as a single item, and carries a 1-year warranty with KLKE support responding within 24 hours. Who should buy it: road runners, night cyclists, hikers and commuters who want their ears open and their presence visible. Who should skip it: anyone who mainly wants to sleep in their headphones. Bone conduction doesn't press into your ears, but a rigid frame and a rear light aren't what you want on a pillow.
Side-by-Side: Which Should You Choose?
• Best for sleeping and side sleeping → ASIILOVI 2-Pack. Fabric band, repositionable speakers, nothing jammed in your ear.
• Best for outdoor safety → KLKE Bone Conduction Headphones. Open-ear awareness plus a rear safety light.
• Best for battery life → ASIILOVI 2-Pack. Over 12 hours of playtime versus up to 10 hours on the KLKE.
• Best for calls on the move → KLKE Bone Conduction Headphones. A clear-call mic and a dedicated Indoor Mode tuned for calls and podcasts.
• Best for adjustable fit → both, in different ways. ASIILOVI uses hook-and-loop sizing across all head sizes; KLKE uses an adjustable silicone back strap.
• Best for two people or two places → ASIILOVI 2-Pack. It ships as a 2-pack; the KLKE is a single item.
• Best for charging convenience → KLKE Bone Conduction Headphones. USB-C at a 3-hour charge time, versus Type-C on the ASIILOVI at 2 hours.
If I had to pick one for myself, I'd take the KLKE Bone Conduction Headphones. In my opinion, the combination of open-ear listening, a rear safety light, IP66 sweat protection and two sound modes covers more of what I actually do outside — run, ride, walk, commute — and the adjustable silicone back strap keeps it stable at 32 g. That said, if sleep is the job, I'd buy the ASIILOVI 2-Pack without hesitating: the washable adjustable band and 12+ hours of playtime are exactly what a sleep headband should offer, and the 2-pack is genuinely useful. Two different products for two different lives — pick the one that matches your day.
how to adjust headphones on iphone
Open Settings, go to Bluetooth, and tap the info icon next to your paired headphones. From there you can rename the device, change its audio settings and manage the connection. Both the ASIILOVI headband and the KLKE bone conduction headphones pair over standard Bluetooth, so the same menu applies to either.
how to adjust headphones
Physical adjustment depends on the design. The ASIILOVI 2-Pack uses hook-and-loop fastening so you can resize the band to your head and slide the speakers to sit over your ears. The KLKE uses an adjustable silicone back strap that tightens the frame for a secure fit across different head sizes.
how to adjust headphones volume
Use your phone or laptop's volume buttons or slider — that's the master level. The KLKE adds push-button controls on the frame itself, while the ASIILOVI headband relies on your paired device for playback and volume. On the KLKE, switching between Indoor and Outdoor Mode also changes how full the sound feels.
how to adjust headphones sound
Start with your device's equalizer if it has one. Beyond that, fit matters: moving the ASIILOVI speakers closer to your ear canals improves clarity, and on the KLKE, positioning the transducers against your cheekbones gives the strongest output. The KLKE's Indoor and Outdoor modes are the built-in way to shift the tuning for calls versus the road.
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