E-Blue Cobra Type-S Rechargeable 2.4GHz Wireless LED Compact Gaming Mouse (EMS608PKAA-IF) Recharge ability keeps Internal Battery charged for up to 20 days 4-inches long Mouse designed for Gamers with Smaller Hands Ultra Quiet-Clicking Buttons provide distraction-free navigation Adjustable 3-tracking-speeds Switch (500 / 1000 / 1800 DPI) 2.4G Wireless distribute stable signal within 30 ft. from Nano Receiver Red Wave Sensor operates on most Surfaces including Glass Fast Action Forward and Backward or Weapon Switch Side-Keys Big rubberized Scroll Wheel for impactful tactile experience