STEREO QUALITY SOUND Recommended for anyone who wants a pair of affordable headphones, the H8321S are capable of delivering quality stereo sound, whether used in games, multimedia applications or for chat. Thanks to the 40 mm diameter speakers, the audio playback is an excellent one, starting from the strong bass and ending with the clear heights. OMNIDIRECTIONAL MICROPHONE The sensitive omnidirectional microphone can pick up and transmit clear sound. ON-EAR VOLUME CONTROL Rotary volume controller enables you to focus on the game and make quick audio adjustments without any interruptions. ERGONOMIC AND FUNCTIONALITY The circumaural pavilions and headband are fitted with soft cushions covered in synthetic leather to ensure optimum ergonomics even in extended gaming sessions. The telescopic system allows adjustment for a perfect fit of the headphones. Last but not least, the volume level can be easily changed via the cable integrated remote control. Model H8321S Sound System Stereo Speaker Dimensions 40mm Frequency Response 20 - 20,000 Hz Headset Sensitivity 118 dB - 3 dB Headphone Impedance 32 Ohms Microphone Type Omnidirectional Microphone Dimensions 6 x 5 mm Microphone Sensitivity -58 dB - 3 dB LED Lighting No Vibration No Volume Controls Yes Connections 2 x 3.5mm Jack (3 pin) Cable Length 2m Compatibility PC.