IPX4 Certification.
With IPX4 certification, these truly wireless earbuds are splash-resistant from any direction. Since they withstand moisture conditions, you don't need to worry if you're outside and it starts to rain or about sweat droplets when you exercise.
Stability, flexibility, comfort.
The flexible side wings fit under the protrusion of your ear for a secure fit and better passive noise isolation. The curved sound tube and interchangeable earbud covers ensure a comfortable in-ear fit. The flat earphone cable fits comfortably behind your neck, whether you're wearing the earbuds or not.