An affordable headset for all your devices 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. Specification 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 Dimensions Height x Width x Depth: 162 mm x 144 mm x 46 mm Weight: .074 Kg System Requirements: Works with Common calling applications across almost all platforms and operating systems Works with computers, smartphones, tablets Single 3.5 mm jack