slim designed， it matches for Xbox one well. It's a cooling fan that can also charge two controllers at the same time and adds four extra USB ports to your console， all while being powered by the console itself. It is a great option for people who game a lot and need better options than the standard for Ones provided.Features:With an internal turbo fan to dissipate the heat for Xbox One console in game-play.It helps to prolong the service life for Xbox One game console.It can charge up to two for Xbox One controllers at the same time.Also works as a HUB of 4 USB ports to expand your for Xbox One's accessibility.USB powered， no AC adapter needed.Specification:Color: BlackCompatible: for Xbox OnePackage Size: 22 * 16 * 5 cm / 9 * 6 * 2 inPackage Weight: 290 g / 10.24 ozPackage List:1 * Charging Station with Cooling Fans