1.Connectors: USB 2.0 tape A 1 female to 2 USB 2.0 type A male.<br> 2.Both port can charging & data sync,But only one port can work each time,Use the Switch to change.<br> 3.Fully shielded cable with durable,Yet Flexible Jacket,Protect Your Usb Port,Plug-and-Play,Simple plug and play requires no drivers or software.<br> 4.Works with USB 3.0, 2.0, or 1.1 host controllers and devices on Windows, Mac, and Linux/Unix computers at USB 2.0 speeds.<br> 5.This Cable Easy share your keyboard,mouse,printer,usb fan,usb disk etc. to two computer/laptop/tablet etc,Note that only one time one port can be use.<br> The Usb Splitters Contains<br> 1 x Usb A Female.(This port is connect to the Keyboard/Mouse/Usb Disk/Usb Fan/Printers and other Usb Devices)<br> 2 x Usb A Male.(This port is connect to the Computer/Laptop/Macbook and other Devices)<br> 1 x Switch.(When Press to "一",the Line 1 Works.When Press to "=",the Line 2 Wroks.When Press to "O",Both Line will not work)<br>