1 Place the handle in the charging travel case.
2 Connect the charging travel case to a UL 60950-1 and IEC 60950-1 listed computer, laptop, USB hub, USB receptacle or wall adapter. The USB cord is attached to the travel case and stored in the cord storage compartment (bottom of the travel case).
3 The wall adapter shall have an output marked Class 2 or the limited power source (LPS) requirements and shall be compatible with the electrical ratings marked on the travel case.
4 The battery indication flashes white until your toothbrush is fully charged.