WISEWO DC 5V 2A Output Charger Switching Power Supply Adapter AC100 to 240V Input US Wall Plug/DC Male Jack Plug Regulated AC/DC for Android TV Box Switching AC to DC power supply Input 100-240V AC 50/60 Hz, Output 5V, 2A Inner diameter (ID) 2.1 mm, Outer diameter (OD) 5.5 mm Small and light weight which convenient for everyone