havit rainbow backlit wired gaming keyboard 104 keys led usb ergonomic wrist rest keyboard for windows pc gamer desktop, computer (black) havit <b>havit: amazon’s top 10 keyboard brand</b><br> all havit products are built to the highest quality standard.<br> <br> <b>keyboard specification: </b><br> <br> interface: usb <br> size: 48.5*20.7*3.2cm <br> key lifetime:10 million <br> cable length: 150cm<br> backlight operating current: 200ma <br> operating voltage:usb 5v