The cooling level of the fan: high speed: 4500T400 speed/min (fastest), Medium speed: 4000T400 speed/min, Low speed: 3000t400 rpm. There are two built-in fans. Charging time: 3-3.5 hours Compatible with for Design for Accessories. Product parameters: Input: 5V/2A (connect the console directly with the attached USB cable) Controller charging slot port output: 2.4V1300Ma*2 USB 2.0 port output: 5V/500mA*2 (Because this USB 2.0 interface takes power directly from the XB console, when two X-C controllers are in the slot, it is not recommended to connect a high-current charging load to the USB 2.0 port. Otherwise, it will cause the XB controller or external The connected device cannot be normally) Material: plastic colour: White Package Contents: 1 x RGB Vertical Cooling Fan(with RGB) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.