Easy to Use: PHNIXGAM RGB headphone stand is powered by a USB cable , and is plug and play. It is compatible with Win 2000, Win XP, WIN 7, WIN 8, WIN 10 and other operating systems. Stable Metal Block Base: The base is equipped with metal blocks so the center of gravity is balanced for different sized headphones. With anti-slip rubber mats on the bottom, the base can stand stably on your table. 3.5mm AUX Port & USB 2.0 Hub: The 3.5mm port can be connected with audio devices like 3.5mm jack headphones; The 3 ports USB 2.0 can be used for charging and transmitting data to a USB pluged mouse, keyboard, U disk, etc. 7.1 surround sound headset is supported also. Universal Headphones Stand: Designed with reasonable size 125.6x146.4x277.8mm(LxWxH) and stable non-slip base, PHNIXGAM headphone stand supports most brands of headphones. RGB Ligting Base: The stand base has RGB backlight with two modes: multi-color flowing and multi-color breathing light. The stand frame has single-color breathing LED backlight. You can switch the light button to change lighting modes.