UGREEN USB 2.0 Sharing Switch 4 Port USB Peripheral Switcher Adapter Box Hub 4 PCs Share 1 USB Device for Printer Scanner with 4 Pack USB 2.0 Male Cable USB sharing Hub provides easy one-touch switching of a USB device between four computers. Important note: For better data transfer, pls keep the USB Cables(connected to the input and output devices) Length less than 3M. USB 2.0 Sharing Switch is a great solution for sharing USB devices like USB printer, scanner, curve plotter, multifunction printer, Bluetooth equipment with four computers By using this devise, 1 USB device can be shared with 1 to 4 computers can share 1 printer, by this we can cut down office equipment spending and save lots of space Switch works with any USB-enabled computer without drivers ,so you could freely switch between two computers when connection to a USB device by a single push bottum LED indicator lights show which connected computer has control of the attached devices. Important Note: Please make sure the input voltage is Standard 5V. Any charger with higher voltage output is NOT allowed and may affect the product performance. Ugreen 4 in 1 out USB 2.0 sharing switch is ideal for enabling 4 computers to share one USB device. Simply press the switch button to change the controlling computer. Without the need for disconnecting and reconnecting the USB cables. Easy and time-saving. The USB sharing box allows 4 PCs to share one USB device, for example, a printer, scanner, camera, keyboard, and any other devices with USB. Also fully compatible with all computers equipped with standard USB 3.0/2.0/1.1 Type A interface, no matter the system they run, such as Macbook, MacBook Pro, iMac, Surface Pro, Windows 10 / 8.1 / 8 / 7 / XP / Vista, Linux. LED indicator lights allow you to know which computer is in control easily. Due to the compact and lightweight design, the USB KM switch takes very little space, it&#039;s a good companion to you while in working office or while on-the-go. Not bidirectional, only works as 4 in 1 out. Adopt ABS, PVC material, anti-oxidation, high-temperature resistance, expand the lifespan of USB switch. 1.5 M USB 2.0 A to B Cable * 4 No need to buy USB cables for your computers separately. For better performance, please use a <span class="a-text-bold">less than 3M/10ft cables,</span> and it should be shorter for some older computers. Total cable length (connected with the input and output devices) should less than <span class="a-text-bold">4.5 M</span>. <span class="a-text-bold">Product dimension:</span> 93.5 mm(L) * 66 mm(W) * 19.5 mm(H). Compact design, offer you a tidy desktop and a high-efficient work environment Equipped with high-performance main control chip, hot-swap supported, work straight out of the box. Plug &amp; play and without the need for driver installation.