S4 Dual Charging Dock TP4-889 With Led indicators which enable to know the charging status easily. The corresponding indicator of the controller on the display panel is red when is charging and it turns green when fully charged. PS4 Dual Charging Dock TP4-889 Compatible for PS4/PS4 Slim/PS4 PRO controller Charging 2 PS4 controllers at the same time LED indicate design ,the light is red when controller is charging, it turns green when fully charged. Material: high quality ABS Packing Included:1*charging dock 1* USB charging cable