1.Language learning system headset
2.computer headset

language Learning system headset.

1. Good looking and wearing comfort
2. Excellent sound effect, clear sound quality

3. Stable and durable

4.line volume control operation

Specification

Headphone :

Sensitivity≥108dB at 1KHz, 1mW

Frequency Response20 to 20,000Hz

Impedance81632 ohm

Microphone :

Sensitivity-45dB±2dB at 1KHz, 1V/Pa

Frequency Response200 to 5,000Hz

Impedance2200 ohm

Cable length1.8m