Product description 1.We can control the running speed of the cooling fan in this product through the wind speed adjustment switch to achieve the change of the air volume. Different air volumes can be used at different temperatures to save energy. When the wind speed adjustment switch is set to the L position, the cooling fan runs at a low speed. When the wind speed adjustment switch is adjusted to H, the cooling fan runs at high speed. 2.[ADJUSTABLE FAN SPEED] - With "H" and "L" switch to change the fan speed, you can change its fan's speed according to the different temperature to save more energy. 3.[WITH 2 USB PORTS] The cooling stand has 2 USB hub ports, one for charging and one for data transferring. It is more convenient for charging the Xbox Ones controller and more facilities like mobile hard disk for data transferring. 4.[PERFECT DESIGN ]- Designed to insert the Xbox Ones Console from its side to fix on it firmly, to make it not easy to turn over, the same assemble way with the original dock. Prolonging the service life of the Xbox Ones Gaming Console, a must for the Xbox One S players 5.[EASY TO USE] - Just put the Xbox One Slim Console on this cooling fan, it doesn't take up any place: it is easy, convenient and practical to use, a must for the Xbox Ones players.