Features ULTRA-LIGHT-WEIGHT HEADSET FOR ON THE MOVE game, make calls or listen to music without any restrictions in movement IN-LINE MICROPHONE shields out background noises and transmits speech distortion-free PREMIUM SOUND QUALITY from balanced trebles to gutsy bass PERFECT FIT IN ANY EAR thanks to the rubberized design of the earplugs NICELY FINISHEDSOFT CASE protects the headset and adapter cables FULL FUNCTIONALITY with two additional plug adapters for the iPhone, mp3 players, BlackBerrys, PCs, notebooks, sound systems and portable gaming consoles Technical Specification Driver Units Frequency response: 18~22,000Hz Sensitivity at 1KHz: 105±3dB Impedance: 32? Max. input power: 5mW Drive diameter: O14.2mm Microphone Sensitivity at 1KHz: -38±3dB Impedance: ?2.2K? Directivity: omni-directional Further Information System Requirements 3.5mm jack socket required PC (adapter included), iPhone®, Blackberry® MP3 Music Players in general, iPhone®, iPod®, Blackberry®, PSP®, NDS™ Package Contains ROCCAT™ Vire – Mobile Communication Gaming Headset Headset Cable: 1.20m length 1 x PC Adapter cable: 1.30m length 1 x Laptop Adapter cable: 0.17m length Soft Transport Bag Quick Install Guide