1More
1 More S51
Best open-ear headphones for outdoor runners needing situational awareness and comfort.
Experience open-ear audio with the 1 More S51 wireless headphones, designed for situational awareness during activities like running. Its unique shark-fin design ensures a secure and comfortable fit, while a patented driver and Bass More+ technology deliver rich, enhanced bass. Enjoy up to 11 hours of playback on a single charge, with a total of 40 hours provided by the charging case. These headphones are IPX5 water and sweat-resistant, perfect for workouts, and managed effortlessly with intuitive touch controls. Supports AAC and SBC audio codecs for quality sound.
$79.99
Owner Satisfaction
4.6
/ 5
Category Rank
454
/ 6142
#454 in Headphones
Price vs Category Average
-86%
Below average
Earbud Weight
9.5
/ g (single)
Who it's for
- Outdoor runners prioritizing safety in busy city environments
- Athletes needing reliable gear for intense, sweaty workouts
- Endurance trainers requiring long-lasting battery for extended sessions
Who should skip it
- Minimalists preferring compact, easily portable charging cases
- Audiophiles seeking deep bass and private listening experiences
- Commuters needing to block out loud, distracting background noise
Performance breakdown
Situational Awareness
Open-ear design keeps you fully connected to your surrounding environment.
Workout Stability
Shark-fin design ensures a secure fit during high-intensity movement.
Battery Longevity
Forty hours of total playback keeps you powered through long weeks.
Durability
IPX5 rating provides reliable protection against sweat and light rain.
Audio Fidelity
Bass More+ technology delivers punchy low-end despite the open-ear architecture.
Connectivity
Bluetooth 5.3 ensures a stable, low-latency connection for seamless audio.
Key Specs
Earbud Weight
9.5 g (single)
Total Playback
40 hours with charging case
Earbud Battery Capacity
60 mAh (single)
Bluetooth Version
5.3
Supported Codecs
AAC, SBC
Latency / Game Mode
<80 ms
Waterproof Rating
IPX5 (earbuds only)
Material
Memory titanium alloy
Features
- Open-ear design for environmental awareness
- Stable and comfortable shark-fin fit
- Patented driver enhances acoustic performance
- Bass More+ for rich, enhanced audio
- Up to 40 hours total playback time
- IPX5 water and sweat resistant
- Intuitive touch controls
- Supports AAC and SBC codecs
What customers say
Reviewers consistently praise the exceptional comfort and situational awareness these open ear devices provide. The ergonomic design ensures a secure fit, ideal for extended listening and active use. Audio quality is surprisingly clear and balanced for an open design, delivering crisp sound while maintaining environmental awareness. This combination of superior comfort and dependable performance justifies the investment for many users. The core appeal rests on achieving unparalleled wearability alongside essential safety awareness.
Know before you buy
The open-ear design sits outside your ear canal, allowing ambient sounds like traffic, conversations, or nature to remain audible. This makes them a safer choice for outdoor activities like running or cycling where situational awareness is essential.
Yes, the S51 features a shark-fin design that hooks securely around the ear to prevent them from slipping during vigorous movement. Combined with the lightweight memory titanium alloy construction, they stay stable and comfortable even during intense exercise.
The earbuds carry an IPX5 water-resistance rating, meaning they are protected against sweat and light rain. However, they are not fully waterproof, so you should avoid submerging them in water or wearing them while swimming.
The earbuds provide up to 11 hours of playback on a single charge. When you factor in the additional charges provided by the included case, you get a total of 40 hours of listening time.
No, the 1 More S51 does not feature active noise cancellation. Because they use an open-ear design, they are intended to let sound in rather than block it out.
The headphones support a low-latency mode that keeps lag under 80 ms. This is generally fast enough to keep audio and video synced for casual gaming and streaming.
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$80