BenQ Zowie EC1 Gaming Mouse (Large Size) – Mouse for e-Sports – Pixart 3360 Optical Sensor – Right Handed Design – Developed for Palm / Claw Grip – Up to 3200 DPI (4 Increments) – Adjustable Report Rate Up to 1000Hz – USB 2.0/3.0 Plug & Play Design – 5 Buttons – 2-Metre Cable Length – 97g Without Cable – EC1 (9H.N24BB.A2E) – 12 Months Limited Warranty