Features: USB 3.0 KVM Ideal for Sharing Devices: Such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB deivce between 2 computers. One Button Switch,Multiport Connection: Allows one button swapping between 2 computers to share 4 USB3.0 peripheral devices without constantly swapping cables or set up complicated network sharing software. Great Compatibility, Driver-free: For Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, and Chrome OS, simply plug and play. LED Light Indicator: Easily switch between 2 computers by a single click on the button with LED indicating the active computer. Separate Micro USB Receptacle: When using a high-power USB device, external 5V adapter is required. Normal, no external adapter is required.For optional power,optimizing its compatibility with more devices, such as HDD,Digital Video Cameras, SSD etc. --Important Note-- Please use Standard 5V Adapter(Not Included, sold separately) for powering. --Please note: 4-Port USB Switch is an excellent choice to share 4 USB devices between 2 Computers; USB 3.0 Switch supports ultra-fast USB 3.0 data transfer rates of up to 5Gb/s (10 times faster than USB 2.0); Simply press the switch button to change the controlling computer, without the need for disconnecting and reconnecting the USB cables, saving time and space! This switch requires manual control to select the active computer port; it does not “automatically” switch between ports; Please use Standard DC 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. Concise & Pocket Size Compact and sleek size makes this USB switch selector easily slide into your backpack, travel case, laptop bag. Perfect for on the go. LED Indicator The blue LED indicator lights allow you to know which computer is in control. Button Switch Easily switch between 2 PCs by a single press on the button. What's in the Box? USB 3.0 KVM Switch x 1pc USB 3.0 Data Cable 1.5m x 2pcs User manual x 1pc --Specification: Name: USB3.0 Switch Selector Switch Style: Push Button Switch Item Dimensions LxWxH :2.1 x 0.63 x 4.1 inches Mounting Type: Plug-In Mount Actuator Type: Push Button Note: Please use Standard 5V Adapter(Not Included) for powering to ensure better performance of the high power consumption devices.