Features: 1.Excellent Sound Quality: K19 gaming headset adopts powerful 50mm diver to provide 7.1 surround sound which will generate more precise positioning in games and offer higher sensitivity sound experience. You can hear every movement of your enemies and feel the most realistic gaming scenes. With vivid, clear and immersive sound effect, the headset is great for gaming, working,studying, chatting, skype using and etc.  2.Wide Compatibility: This multi-platform available gaming headset is suitable for all 3.5mm interface devices. Support PC, laptop, PSP, tablet, computer, mobile phoneetc.  3.Noise Canceling & Adjustable Mic: The advanced microphone adopted high precision magnetic neodymium driver and noise reduction chip, which will effectively reduce the ambient noise and deliver clearer voice to your partners. 120°adjustable mic can be fixed at any position for more accurate voice delivery. In-line controller with volume control and mute key, easy to adjust volume and turn on/off mic during games.  4.Comfortable Design: With soft and breathable memory sponge, large ear cups and ergonomic headband, this headset is designed to accord with human body engineering specification which can reduce hearing impairment and heat. The lightweight skin-friendly leather material and the adjustable padding headband will ensure your extreme comfort even after long time wearing.  5.Cool LED Lights: Designed with a classic pure black and elegant style, the headphones are suitable for both male and female to wear. Cool breathing LED light effect with 7 automatically changing colors greatly enhance the gaming atmosphere, you will feel more exciting gaming scenes. Note: The USB port is only for LED lights.     Specifications: Model: K19;  Speaker Size: 40mm;  Sensitivity: 118+/-3db;  Microphone: 6.0*5.0mm;  Impedance:32Ω¸+/-15%;  Cable Length: 2.1M+/-15%;  Directionality: Omi-directional;  Microphone Impedance: 2.2k;  Frequency Range: 15Hz-20 KHz;  LED Working Voltage: DC5V;  Microphone Sensitivity: -36+/-3dB;  Working Current: headset Jack: USB+3.5mm 4Pin;  Cable length: Approx. 2.1m / 6.88ft;  Package weight: 483g / 1.06Lb;     Package Included: 1 x Gaming Headset;  1 x Operating Instruction