SOYTO SY227 Single-side Operator Ear Hook Headset Corded Computer Headset 1. System support: win7 Win8Win8.1 win10 XP 2. Frequency range: 20Hz-20KHz 3. Sensitivity: about 105dB 4. Impedance: 32 ohms 5. Distortion rate: 0.1% 6. Speaker diameter: 27mm 7. Headphone cable material: PVC 8. Microphone sensitivity: -38dB 9. Microphone head size: about 23mm 10. Microphone: 6 x 2.7mm 11. Cable length: about 1.6m 12. Weight: about 57 (g) Features: 1. Single side ear hook design, make the headset more humanized, suitable for people who want to hear the ambient sound 2. Wide compatibility, suitable for desktop computers, laptops, game consoles and other devices with 3.5mmUSB interface 3. Lightweight and comfortable to wear, small size and light weight, suitable for long time wearing 4. 23MM high-fidelity dynamic coil, bring clear and vivid sound, to ensure your effective communication during online conversations 5. The microphone can be adjusted 130 degrees, you can put it at the right distance from your mouth, you can pick up loud and clear sound 6. High-quality copper core cable, effectively prevent sound loss during online conversations