Characteristics and Interoperability Led indicators on the S4 Dual Charging Dock TP4-889 make it simple to see the charging status. When the controller is charging, its corresponding indicator on the display panel is red; when it is fully charged, it turns green. Dual PS4 Charging Dock TP4-889 Compatible with PS4, PS4 Slim, and PS4 PRO controllers Charging two PS4 controllers simultaneously with an LED indicator design that changes from red to green when the controller is fully charged. Material: premium ABS Stowing Contains: One charging dock (1) One (1) USB charging cable