Features: brand new and high quality This product is suitable for x series one Slim gamepad. The real machine opens the mold, the excellent connection to the x series one handle, plug and for play. Convenient control, easy to adjust the handle sound effect size, support one for key to turn off the microphone. Support the investigation mode, listen to the sound to identify the position, increase the sense of gunfight game experience. Easily switch between four sound effects modes, which can meet the needs of different games. Specifications: Material：ABS Package Size：8.3x7x4cm/3.27x2.76x1.57in Applicability Controller:X Series One ELITE/ X Series One SLIM/ X Series One X/ X Series X/ X Series S Package Includes: 1 x Headset Controller Sound Enhancer. note: X Series ONE 1st generation use this item, because this controller does not have a headphone jack. Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!