Наушники KOSS tc 30

Frequency Response: 200 - 10,000 Hz
Unique, Speaker Phone designed to Plug & Play
Ideal for hands-free communication and conference calls
Volume control for easy level adjustment
Mute switch for momentary privacy
Includes modular jack
Connects to most home telephones or PCs

Frequency Response 200 - 10,000 Hz
Impedance Matched to telephone line
Weight 13.7 oz