2. In-ear design and earbud to ensure it won't fall out, suitable for running, walking, jogging, exercising, dancing and hiking.
3. Waterproof and sweatproof design for better excercising experience.
4. Nice noise reduction performance to block out 90% noise and for clear phone calls.
5. High quality audio signal and excellent soundtrack. HD clear sound and powerful bass stereo.
6. Ergonomic design, durable cable for high intensity exercise.
7. Silicone sweatproof earbud and yellow-granule anti-shock cable for long term use.