The mouse is designed ergonomically, providing a comfortable fit for the palm of your hand. Enjoy faster and smoother operations while maintaining flexibility and a comfortable grip. Provides a powerful and reliable connection up to 33ft/10m. NO MORE messed cords, say goodbye to the cluttered desk, and make everything simple and clear! Default 1200 DPI, ensuring a quick and responsive experience. The mouse requires a AA battery to operate, which might be removed from the package due to limits set by major carriers.