1、[109 Keys]: The USB wired keyboard has 109 keys, which is standard and practical, very comfortable to touch, especially suitable for business and household. 2、[Left Hand Design]: The 109 Key Keyboard has left handed design, and the numeric keyboard area is on the left side, which is convenient for left handed people to use and can meet your different needs. 3、[Built in 2 HUB Hub]: The left hand keyboard has HUB hub, easy to transfer files and expand equipment, very suitable for business office, software designers, engineers to use. 4、[Scissor Button Design]: The left hand business keyboard adopts scissor key design, the key is responsive and smoothly, bringing you comfortable typing experience and relieving hand fatigue. 5、[Plug and Use]: The USB wired keyboard is easy to operate, just plug the keyboard into the USB port and you'll be up and running, compatible with for Windows XP, 7, 8, and 10 systems.