The dobe ps4 dual charging dock is designed to meet controller charging requirements. it can be used to charge 2 x ps4 controllers simultaneously. the charging light indicator lets you know the charging state of your ps4 controller. the standard dc5v input voltage design makes it easier to get the power through usb jack of ps4 consoler, computer or other 5v power adapters. with its unique and light appearance design, it becomes the ultimate charging dock for ps4 wireless controller players.led indicate design, the light is red when controller is charging, it turns green when fully charged.charges your controllers quickly and gives you long hours of gameplay.backplate lights up while charging and intimates you when the device is fully charged.compact design ensures easy portability. Highlights Charges your controllers quickly and gives you long hours of gameplay Backplate lights up while charging and intimates you when the device is fully charged Compact design ensures easy portability Led indicate design the light is red when controller is charging it turns green when fully charged Charges your controllers quickly and gives you long hours of gameplay