Name of product: Backlit Floating Keys Multimedia Gaming Keyboard There are 87 keys in total. DC 4.2-5.5V is the working voltage. SWITCH: 45g Trigger Pressure Floating Switch RATE OF POLLING: 1000 Hz Rate of Ultrapolling 8 million keystrokes in a lifetime GHOSTING: Nineteen Keys Preventing ghosting CABLE: Copper Nylon Cable Windows XP, Windows Vista, Windows 7, Windows 8, and Mac OS One free USB 2.0/3.0 port The FANTECH K613 is a USB interface RGB keyboard that can be used right away without the need to install any drivers.