Connector Type- USB Brand- Generic Special Feature- Wired, Optical, Laser Movement Detection Technology- Optical Colour- Black Warrenty- 3 Years DPI- 1600 About this item * Specially Designed to fit your hands perfectly with excellent performance * Mouse Works exceptionally smooth on most surfaces,carry it with you wherever your work takes * Engineered for Solid Performance-Combined with the power of optical and precision of laser,it is highly responsive and works flawlessly Ergonomically crafted to add a dash of prettiness to your desk space,beautiful curves that exude comfort * It has three buttons and high precision with 1600 DPI that works on most surfaces