1. Material: ABS, electronic components, sponge 2. Sensitivity: 90db-100db 3. Frequency response: 20Hz-20KHz 4. Impedance: 32 ohms 5. Cable length: 1.8 meters 6. Headset size: 9.7 x 6.7 cm 7. Net weight: about 98 grams 8. Omni-directional microphone, support 120 degree rotation 9. The sound quality of the speaker is clear and thorough, which restores the sound of music 10. Ergonomic design, comfortable to wear