LOGITECH STEREO HEADSET H111 981-000593

Height x Width x Depth: 162 mm x 144 mm x 46 mm  Weight: .074 Kg  Input Impedance: 32 Ohms  Sensitivity (headphone): 100 dB +/-3 dB  Sensitivity (microphone): -58 dBV/μBar, -38 dBV/Pa +/- 4 dB  Frequency response (Headset): 20 Hz to 20 kHz  Frequency response (Microphone): 100 Hz -16 kHz  Cable length: 1.8 m  Works with Common calling applications across almost all platforms and operating systems  Works with computers, smartphones, tablets  Single 3.5 mm jack  Warranty: 2 Years