***** **********Best Quality Guranteed. *****. Using virtual 7.1 multichannel primitive technology to support all-im-one CF / LOL game mode and fast manipulation. *****. Using special brake coil unit, wider sound field, more immersive experience. *****. Germany VIB vibration technology, vibration intensity changes with heartbeat, for more humanized control*****. LED backlight breathing technique, dazzling and soft. *****. The use of the second generation of lightweight design, lightweight and durable.