CZHOON USB Switch USB Switcher with 4 USB Ports and 2 PC Ports for Mouse Keyboard Scanner Printer PCs with One-Button Switch and 2 Pack USB Cable and 1 Charging Cable for MacWindowsLinux

With this 4-Port USB 2.0 switch selector, 2 computers can share one set of USB devices easily by one button switching, expanding extra 4 ports for your computer, saving time and budget. It’s perfect for using in the office or at home if you have multiple PCs.   Model: CZH-T286 Color: Black Material: ABS Size: 3.94*1.85*0.51 in Weight: 5oz (include accessories) USB Cable Length: 3.3ft / 40 in Input: USB 2.0 Output: USB 2.0 Transmission Speed: 480 mbps   Supported Systems: Windows, Mac OS, Linux   Note: Please use Standard 5V USB Power Adapter(Not Included in the package, sold separately). Any charger with higher voltage output is NOT allowed and may affect the product performance.   How to Use? 1.Connect your PCs or laptops to 2 PC ports with USB A to A cables supplied; 2.Connect your external USB devices to the USB 2.0 ports on the USB switch selector; 3.Press the SWITCH button to select the computer; 4.Connect the switch selector to 5V power adapter if high power consumption devices such as external HDD, digital video cameras or others are connected. 5.Power adapter is not included. Please use standard 5V adapter to charge the USB switch selector if needed. Any charger over higher voltage output may hurt the product.   Package Contents: 1* 4-Port USB 2.0 Switch 1* Micro USB charging cord 2* USB A to A cable 1* User manual 1* Customer care card