Brand ZEBRONICS Colour Black Connector Type USB Special Feature Wireless, Ergonomic Design Movement Detection Technology Optical About this item DESIGN: Wireless Mouse with Ergonomic form factor BUTTONS: 4 Buttons: Left/Right/Scroll Click/DPI Switch FEATURES: 2.4GHz High Precision mouse with Power saving mode TRACKING: 800/1200/1600 DPI Optical Sensor USAGE: Best for Laptop/PC/Mac