Description 1. Speaker Diameter: 50mm 2. Impedance: 32ohm+/-15% 3. Sensitivity: 105db+/-3db 4. Frequency: 20-20000Hz 5. Mic sensitivity: -42db+-3dB 6. Mic Impedance: 2.2 kohm 7. Directivity: Omni-directional 8. Cable length: about 2.1m 9. Headset
Description 1. Speaker Diameter: 50mm 2. Impedance: 32ohm+/-15% 3. Sensitivity: 105db+/-3db 4. Frequency: 20-20000Hz 5. Mic sensitivity: -42db+-3dB 6. Mic Impedance: 2.2 kohm 7. Directivity: Omni-directional 8. Cable length: about 2.1m 9. Headset