Padded ear cushions for comfortable wearing Microphone arm for vertical positioning Mute button allows users to switch the sound off on the microphone quickly Cable remote control for convenient and continuous sound control Single-sided cable for comfortable wearing with no tangles PC office headset with mobile microphone arm and USB connection Adjustable headband Ultra-lightweight for excellent wearing comfort What's in the Box 1 "HS-USB250" PC office headset 1 instruction manual System Requirements Operating system: Windows 11/10/8.1/8/7 Design (Colour, Pattern, Motif, Series) Colour Black/Silver Shade of colour Black, Silver Connectivity (Connection) Connection USB-Typ-A-Plug Connection Cable Electrospecific Properties Compatible operating systems Windows 11/10/8/7 Frequency Range (Headphone) 20 Hz - 20 kHz Frequency Range (Microphone) 100 Hz - 6 kHz Impedance (Headphone) 32 Ω Impedance (Microphone) 2200 Ω Physical Properties Additional Functions Volume control Design On-Ear Directivity (Microphone) Omnidirectional Material Plastic Material Microphone Position Boom Microphone Model Stereo Sensitivity (Headphone) 115 dB +/- 3 dB Sensitivity (Microphone) -42 dB +/-3 dB Size & Weight Cable Length 2 m Speaker Diameter 40 mm Weight 145 g Field of Application Recommended Use PC