LOGITECH MX ERGO ADVANCED WIRELESS TRACKBALL

TECHNICAL SPECIFICATIONS  Sensor technology  Logitech Advance Optical Tracking  Nominal value : 380 dpi  Minimal and maximal value : 512 dpi - 2048 dpi  Number of buttons: 8    Wireless technology  Advanced 2.4GHz wireless technology  Operation distance  About 32 ft (10 m)  Battery  Rechargeable Li-Po (500 mAh) battery  Battery life  Up to 4 months on a single full charge2  Buttons Durability (Left / Right)  10 million clicks  Images are illustrative and may vary from actual product. Some features require software installation