Наушники KOSS CS 15

Single sided Plug Phone for hands-free communication from your cellular or radio frequency (RF) telephone
Electret, omnidirectional microphone for clear communication
Frequency Response: 10-20,000 Hz
Unique Plug design directs sound into the ear canal for deep bass and extended frequency response
Specialty ear cushion material forms slowly in the ear canal to provide a custom fit and maximum isolation
Extra ear cushions for replacement or noise reduction in second ear
Straight, single entry 4 foot cord

Frequency Response 10-20,000 Hz
Cord Straight, Single Entry, 4ft
Impedance 16 ohms
Weight 0.15 oz.
Sensitivity 112 dB SPL/1mW
Distortion <0.3%
Ear cushions closed