... for MS DirectX, EAX1.0/2.0, HRTF 3DX function;4, multi-channel technology, highly dynamic virtual 5.1 channel sound;5 ,digital buttons ... microphone hole;USB interface, plug and play, instead of traditional sound card;Microphone recording function;Kara OK function;Multi-channel technology, ... like the flash, light transparent shell, a simple USB interface devices, plug and play usb 3.0 sound card