Logitech H151 Stereo Headset with Noise-Cancelling Microphone

Specifications Dimensions • Height x Width x Depth: • 7.87 in (200 mm) x 9.65 in (245 mm) x 2.56 in (65 mm) • Weight: 2.82 oz (0.08 Kg) 
 System Requirements • Works with common calling applications across almost all platforms and operating systems. • Analog connection with 3.5 mm audio in and audio out jacks Technical Specifications • Input Impedance: 22 Ohms • Sensitivity (headphone): 122dB /-3dB • Sensitivity (microphone): -44dBV/Pa /- 2.5dB • Frequency response (Headset): 20Hz – 20kHz • Frequency response (Microphone): 100Hz – 6.50kHz • Cable length: 5.9 ft (1.8m)