1. Ergonomic design, comfortable and stable wear, more comfortable movement
2. Main and secondary earphones can be switched. Left and right earphones can be used independently and switch at will
3. chip, approaching "0" delay, faster and more stable transmission
4. Take out and connect immediately, without cumbersome operation
5. Fingerprint touch control, light touch control, more convenient operation IPX7 waterproof, no fear of downpour
6. Bilateral HD call, highly restore the real voice
7. Good music continuous power, built-in battery continuation, lasting life