SANDBERG MiniJack Office Headset Saver 80013319 325-41 Product Description: Sandberg MiniJack Office Headset Saver - headset Product Type: Headset - wired - 3.5 mm jack Recommended Use: Computer Headphones Form Factor: On-ear Connectivity Technology: Wired Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 105 dB Impedance: 32 Ohm Microphone: Boom Microphone Operation Mode: Uni-directional Manufacturer Warranty: 5-year warranty