Suitable for all eblue range of USB (Universal Serial Bus) hubs & most other brands Supplies power to USB (Universal Serial Bus) hubs to support multiple powered USB (Universal Serial Bus) devices 4-way spider DC end to fit different sized sockets 5V 1A with an input voltage 100-240V to use worldwide BNOTEB This power supply may not be compatible with every USB (Universal Serial Bus) hub please check voltage current & polarity requirements