If you want a wireless, long-lasting headset with Bluetooth 5.0 and active voice controls for your daily commute or gym sessions, choose Qiilu Sx991; if you need a durable, wired pair of on-ear headphones with a USB-C connection specifically designed for school, travel, or mixed-device use without worrying about battery life, choose Kensington Classic EQ USB-C.
• Qiilu Sx991: Offers true wireless freedom with a 300-hour standby time and dual-device connectivity, but trades off the passive isolation of over-ear designs for a lightweight neck-band form factor.
• Kensington Classic EQ USB-C: Delivers consistent sound via a 40mm driver and a braided cable that resists tangling, but requires a direct physical connection to your device and lacks any internal battery.
• Best for: The Qiilu Sx991 is ideal for runners or commuters who hate cables, while the Kensington Classic EQ USB-C fits students or travelers who prioritize durability and zero-charging anxiety.
The Qiilu Sx991 is engineered for people who refuse to be tethered by wires. Its defining feature is the hanging neck design paired with telescopic earbuds, which allows you to fold the unit compactly when you aren't listening. This makes it an excellent candidate for anyone looking for best open ear headphones for running or working out, as the lightweight plastic enclosure and rounded tips sit securely without the bulk of traditional over-ear cups. The unique telescopic mechanism ensures that even if you take them off to talk to someone or wipe sweat, they hang comfortably around your neck rather than getting lost in a bag.
For those who rely on their phone for calls and music simultaneously, this model stands out because of its British CSR 5.0 Bluetooth chip. This specific hardware allows the headset to connect to two Bluetooth devices at the same time. You can listen to a podcast on your tablet while keeping your phone connected for incoming calls, switching seamlessly between sources. The inclusion of CVC wideband noise reduction technology further enhances this experience, ensuring that your voice remains clear during calls even in noisy environments like a busy street or a crowded office.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-25 · 6 min read · Independent comparison
However, this headset is not for everyone. If you are looking for deep, immersive sound isolation where external world completely disappears, the Qiilu Sx991 might feel too exposed due to its in-ear placement. It also relies entirely on its internal battery, requiring about 3.5 hours to charge fully before offering up to 16 hours of continuous play or 18 hours of talk time. While the 300-hour standby time is impressive, you must remember to charge it regularly if you plan to use it daily. It is perfect for the active user who needs mobility, but less suitable for a stationary listener who prefers a plug-and-play solution without charging cycles.
The Kensington Classic EQ USB-C is built for reliability and universal compatibility. Unlike the wireless alternative, this model uses a wired connection via a USB Type-C port, eliminating the need to manage battery levels or worry about signal interference. The 6-foot (1.8m) nylon braided cord is a standout feature, providing flexibility for movement while significantly improving durability against tangles and wear. This makes it a robust choice for classrooms, offices, or travel where a heavy-duty cable is preferred over fragile wireless components.
Comfort is a central pillar of the Kensington design, targeting all ages from kids to adults. The padded adjustable headband and foam ear pads wrapped in soft leatherette ensure that the on-ear placement does not cause fatigue during extended listening sessions. With 40mm drivers capable of a dynamic frequency range from 20Hz to 20,000Hz, the audio output offers a wider dynamic range for crystal-clear sound. The passive noise cancellation inherent in the on-ear seal helps block out some ambient noise without the complexity of electronic processing, making it a solid option for those who want simple, high-quality audio delivery.
This product is particularly well-suited for users who frequently switch between different operating systems. Because it connects directly through USB-C, it works natively with Windows, macOS, iOS, Android, and Chrome OS without needing additional drivers or pairing processes. The included two-year limited warranty adds a layer of confidence for parents or IT managers buying for schools or employees. However, the trade-off is the lack of wireless freedom. If you are looking for noise cancelling gaming headphones for running, this wired setup will likely be cumbersome compared to a wireless alternative. It is best reserved for stationary use, commuting where you don't mind holding the wire, or situations where charging infrastructure is unreliable.
• Best for Battery Life: Choose the Qiilu Sx991. With a staggering 300-hour standby time and up to 18 hours of talk time, it is designed for multi-day use without plugging in.
• Best for Durability and Cable Management: Choose the Kensington Classic EQ USB-C. The 6ft nylon braided cord is built to withstand heavy daily handling and tangles better than typical wireless charging ports.
• Best for Multi-Device Users: Choose the Qiilu Sx991. The ability to pair with two Bluetooth devices simultaneously is a feature the wired Kensington cannot offer.
• Best for Universal Compatibility: Choose the Kensington Classic EQ USB-C. It plugs directly into any USB-C port across major operating systems without needing a Bluetooth handshake.
• Best for Active Movement: Choose the Qiilu Sx991. The neck-hanging design keeps the device secure and accessible during exercise, whereas a long wired headphone is impractical for jogging.
• Best for Long-Term Peace of Mind: Choose the Kensington Classic EQ USB-C. The included two-year limited warranty provides coverage that the Qiilu data sheet does not explicitly detail.
• Best for Call Clarity in Noise: Choose the Qiilu Sx991. Its CVC wideband noise reduction specifically targets voice clarity in loud environments, a feature absent in the passive-only Kensington.
• Best Value for Schools/Groups: Choose the Kensington Classic EQ USB-C. The lack of batteries means no charging stations are needed, and the durable build reduces replacement rates.
After analyzing the specifications and intended use cases for both models, I would personally buy the Qiilu Sx991 if my primary goal was for running or staying active throughout the day. The freedom of Bluetooth 5.0, combined with the secure neck-band design and the ability to handle two devices at once, creates a seamless experience that a wired headphone simply cannot match during motion. While the Kensington Classic EQ USB-C is a sturdy, reliable workhorse with a great warranty, the convenience of wireless connectivity and the specialized features for active lifestyles make the Qiilu the superior choice for anyone prioritizing mobility. In my opinion, the Qiilu Sx991 delivers exactly what an active user needs without the frustration of tangled cords or dead batteries.
The Qiilu Sx991 is specifically designed for this with its neck-hanging stability and sweat-friendly materials, making it a strong contender for best bluetooth headset for running, though the Kensington is wired and not suited for that activity.
No, the Kensington Classic EQ USB-C has no internal battery and draws power directly from your device via the USB-C cable, so you never need to charge it.
The Qiilu Sx991 uses CVC wideband noise reduction technology to filter out background noise during conversations, whereas the Kensington relies only on passive noise cancellation from the ear pad seal.
Yes, the Qiilu Sx991 features a British CSR 5.0 chip that allows simultaneous connections to two different Bluetooth devices, such as a laptop and a smartphone.
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