'1.ADVANCED 5OMM DRIVER With a wider frequency kange, resulting in higher carity sound. Everything a gamer could want to take on their epic adventures. 2.BREATHABLE MEMORY FOAM EARCUPS ALTO 7.1's new breathable fabric effectively reduces heat,and discomfort while gaming. 3.LIGHTING EFFECTS ALTO 7.1 is designed with running RGBlighting to enhance your gaming experience. 4.IMMERSIVE 7.1 SURROUND SOUND With ALTO 7.1's surround sound software, you get accuratesound positioning in game. Clearly hear footsteps andget an advantage over the competition. 5.CRYSTAL CLEAR DETACHABLE MICROPHONE ALTO 7.1 features a detachable microphonefor greater portability, while remainingcrystal clear in games TECHNICAL SPECIFICATIONS Driver Unit:50mm Speaker Sensitivity:109dB Speaker Frequency Response:20-20kHz Speaker lmpedance:32 Microphone Sensitivity:-38+2dB Microphone Directivity:Omni Directional Microphone lmpedance:2.2k Plug Type:USB 2.0 Cord Length:±2m PACKAGING INFO: Box size: 19*10.3*21.3cm N.W: