• Economy range headphone standard for your everyday use.

Features :

• (economy quality headphones sturdy & strong)
• Microphone electret condensor type.
• Directivity omni- directional.
• Magnet ferrite magnet.
• Input impedence 32 ohms.
• Frequency response 20 hz - 20 khz.
• Max. Input power 100 mw.
• Sensitivity 54 db.
• Connector 3.5mm stereo mic plug.
• Cable length 1.8 m.
• Operation voltage 1.5 v ~ 10 v dc.
• Standard operating voltage +3v.
• Current consumption 350 ma. Max.
• S/n ratio 40 db or more.
• Sensitivity reduction within 3 db at 1 v.