Thermaltake ISURUS Pro V2 Hi-Res Audio In-Ear Gaming Headset With Built-in Mic – External In-line Controiler: Yes – Driver Unit (mm): 13 mm – Channel: Stereo – Frequency Response: 20Hz ~ 40KHz – Impedance: 16 ohm – Sensitivity: 103 ± 3db – Mic Directivity: Omni-Directional – Mic Sensitivity: -46 ± 3db – Mic Frequency: 100Hz ~ 10KHz – Mic Impedance: < 2.2k ohm – Dimension (S): 166.81 x 5 x 186.83 mm – Graphical Ui: No – Interface: 3.5 mm – GHT-IST-ANIBBK-34 – 12 Months Limited Warranty