... format;3, using the most advanced Xear 3D technology, full support for MS DirectX, EAX1.0/2.0, HRTF 3DX function;4, multi ... headphones with a microphone hole;USB interface, plug and play, instead of traditional sound card;Microphone recording function;Kara OK function;Multi-channel technology, dynamic 5 ... shell, a simple USB interface devices, plug and play usb 3.0 sound card