Technical specifications for K613L PRODUCT NAME: Multimedia Gaming Keyboard with Backlighting Floating Keys There are 104 keys in total. DC 4.2-5.5V is the working voltage. SWITCH: Floating Alternate 45g Trigger Pressure RATE OF POLLING: 1000 Hz Rate of Ultrapolling Eight million keystrokes. Lifetime GHOSTING: 25 Essentials Preventing ghosting CABLE: Black, Nylon Copper Cable Material: ABS; Length: 155 cm; Dimensions: 433 W x 130 L x 40 H