QKZ DMX Sports In-ear HIFI 3.5mm Wired Control Earphone with Mic(Black Red)

1. HiFi: the earphone is designed to be dynamic with HiFi sound, which can give you a better listening experience.2. 60 Degree: The earbud is specially to be with 60 degree, which is more comfortable for us to wear.3. Button Control: The headset is designed to be wired with control button, which is easy for us to adjust volume and etc.4. Material: silicone, metal, fiber.5. Cable length: 1.2m6. Plug diameter: 3.5mm7. Sound principle: dynamic cycle8. Specification of the moving coil: 10mm9. Horn resistance: 16 +/- 15 per cent10. Frequency response range: 20-20000 Hz11. Sensitivity: 96dB +/- 3dB@1000HZ