HEADPHONE

Driver unit: 30mm diameter

Impedance: 32 Ohm ± 15%

Sensitivity: 103dB ± 3dB at 1KHz

Frequency response: 20-20, 000Hz

Maximum power input: 100mw

Cable length: 1. 5m

MICROPHONE Type: 9. 7mm daimeter electret condenser microphone

Directivity: omnidirectional

Impedance: 2200 Ohm ± 15%

Frequency response: 30-16, 000Hz

Standard operating voltage: 4. 5V