Allows for power to be taken from 2 USB ports, like a PC and external hard drive.Allows you to link 1 USB device into 2 USB ports on your PC for more power.You may have an external device, such as a portable 2.5 hard drive, and a standard USB cable is not able to transfer enough power to operate the device. This problem can be easily solved by using this USB 2.0 Y cable.Type: USB 2.0 Male to 2 Female Extension CableMaterial: Plastic and MetalConnectors: USB 2.0 Male, 2 x USB 2.0 Female Durable, Practical, Plug and PlayCable Length: 25cm/9.84" (Approx.)Notes:Due to the light and screen setting difference, the itemand 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x USB 2.0 Male to 2 Female Extension Cables Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin