Stereo Headphone for Mp3 Digital Mini Disc Dvd Disc Digital Audio With Mic

stereo headphone for mp3 digital mini disc dvd disc digital audio with mic

• Stereo and high sound quality 
• Adjustable headband, wearing comfortable
• It particular suitable for playing game and watching movie.
• Adjust headphones sound to the proper volume. Loud sound may damage your earsit really a cost-effective one.

specification:

• mic type:9.7mmx6.7mm
• impedance:MAXMUM2.2
• SENSITIVITY:-58DB+2DB(0db=1v/pa)
• directivity:omnidirectional
• s/n ratio:more than 60db
• sensitivity reduition:within-3db at 1.5v
• mic frequency range :30Hz -16.000Hz
• speaker:40mm
• sensitivty:108db=2db at lkz
• spk frequency response:20Hz -20.000Hz
• impedance:32=15%
• rated power :30mw
• cord lengh :about1.8m
• plug type :3.55mm stereo