DESIGN: Wireless Mouse with Ergonomic form factorBUTTONS: 4 Buttons: Left/Right/Scroll Click/DPI SwitchRECEIVER: USB Nano ReceiverFEATURES: 2.4GHz High Precision mouse with Power saving modeTRACKING: 800/1200/1600 DPI Optical SensorUSAGE: Best for Laptop/PC/Mac..