REMAX RM-711 Music Wired Earphone with MIC & Support Hands-free(Silver)

1. Frequency response: 20-2000 (Hz)2. Output sensitivity: 98+2 (dB)3. Microphone sensitivity: 42db4. Rated power: 5mv5. Pin: 3.5mm6. Cable length: 1.2M7. Product net weight: 18g8. High fidelity sound quality, alloy shell9. The sporty design fits human ears, does not fall off, and is sturdy design