HP Black Button Optical Mouse in Pakistan. No ball, no cleaning, More Precision!.High-tech piano black finish and sculpted edges gives this mouse a distinctive style. Symmetric design for right or left handed comfort and textured sides gives you enhanced control feel. Rubber scroll wheel improves grip and the high-precision sensor provides precise, smooth and responsive tracking. It has a smooth and fast scroll wheel for optimum control and accuracy. With USB connectivity, standard 2-button operation, it requires no driver or CD installation for fast and easy plug and play use. It is compatible across all notebook and desktop platforms.