It is a personal computer switch which can share a set of USB mouse, USB keyboard, DVI compatible display, speaker with two PCs. 1920 x 1200 (WUXGA,) 1920 x 1080 (full HD,) wide resolution is supported. It corresponds to connection of HDCP equipment. PC switching is not supported while watching HDCP content. Emulation function which can use the connected device immediately can be used even if switching PC. If you can share two USB devices and the emulation function is Off, you can also share USB printers and USB hubs in addition to the mouse and keyboard. It is also possible to share three or more USB devices by connecting a USB hub. Power consumption of USB devices connected to the switch should be 500 mA (2.5 W) or less per port. It can also be used with tilt wheel function and multi-function mouse with multiple buttons, wireless keyboard. The status of [CAPS LOCK,] [NUM LOCK,] and [SCROLL LOCK] is retained even if you switch the computer. - Equipped with Phi 3.5 mm stereo mini plug. ELECOM Co., Ltd. is a Japanese electronics company, headquartered in Osaka, Japan. They are best known for their modern design, especially with their mice. The company produces many electronics along with other Japanese computer-peripheral manufacturers such as I-O Data, Buffalo, and Century micro that are shipped to many outside and larger companies, as an OEM (e.g. Century Micro is known to ship their memory chips to Samsung.) In recent years, its business has been expanded into new areas, including: supplies of tablet PCs and smartphones, health care products such as body composition scales and electric therapy equipment, and the digital home area, with an enhanced development of network products such as wireless LAN routers, a cloud service and an installation service for wireless LAN access points.