Acer NP.MCE11.005 Predator Gaming Mouse Connectivity: USB Number of Programmable Buttons: 6 Illumination Modes: Steady, Pulse, ColorShift, Off, Breathe Textured side grips and ergo-buttons keep your hand in a natural position Tournament-Grade Switches: Durable Steelseries switches are meant to last and have a 30-million click life time