QKZ AK6 PRO HiFi Subwoofer In-Ear Wired Headphones with Mic(Black)

1. Earplugs/earmuffs material: silicone sleeve2. Headphone cable material: TPE fire-retardant environmental protection material3. Plug diameter: 3.5 mm4. Plug type: L-bend type5. Sounding principle: moving coil6. Frequency response range: 20-20000Hz7. Impedance: 16 ohms8. Sensitivity: 98 dB9. Horn diameter: 12mm10. Weight: 20g11. Wire length: 1.2m