Logitech H111 Stereo Headset

The simple way to start talking when using computers, smartphones and tablets. Features a standard 3.5mm audio jack and is compatible with most operating systems and platforms. Get just what you need to hear and be heard clearly.Input Impedance: 32 Ohms Sensitivity (headphone): 100dB +/-3dB Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response (Headset): 20Hz – 20kHz Frequency response (Microphone): 100 Hz –16kHz Cable length: 5.90 ft (1.8m )