Specifications: Keyboard: Cable Length: 130 cm Key System: Membrane Function Keys: 12 Operating Voltage: 4.75 - 5.25 V DC Connection Method: USB Mouse: Buttons: 3 Sensor Type: Optical DPI Switch: 1000 Scroll Wheel: Yes Feature and Benefits: Ergonomic Design Spill-Proof Keyboard Easy Installation Multiple OS Compatibility What's in the box 1 x Volkano Krypton Series Wired Mouse 1 x Volkano Krypton Series Wired Keyboard