1. Impedance: 32 ohms 2. Sensitivity: 93db 3. Weight: 24g 4. Power: 3mW 5. Cable length: 1.25 meters 6. Directivity: Omnidirectional microphone 7. With or without microphone: yes 8. Sounding principle: moving coil 9. Speaker diameter: 10mm 10. Plug diameter: 3.5mm 11. Usage: in-ear 12. Frequency response: 50Hz-5KHz 13. Uses: computer headsets, game audio-visual headsets, gaming headsets, mobile headsets, voice headsets, sports headsets 14. Headphone jack: 3.5mm 15. Microphone size: 6.0x2.7mm 16. Microphone sensitivity: -42dB 17. Microphone impedance: 2.2 kiloohms 18. Input interface: 3.5 four-level pin 19. Headphone output audio source: communication equipment 21. Packing list: earphone + color box packaging + manual + one to two lines 22. Comfortable lock ears, not tired to wear: ergonomic wingtip cartilage, lightweight design, close to the auricle, wear firmly 23. Intelligent noise reduction, accurate sound reception, effectively shielding background noise 24. One thing, two uses, music headphones in seconds 25. Pluggable long microphone, noise reduction microphone, clear and no current 26. Wire-controlled microphone: One-key switch between game and call