Rechargeable battery without breaking: Wireless and rechargeable, you can have your office work anywhere without any breaking. Keep the Earth Green: With rechargeable battery included, never spend money on batteries and keep the earth green. Tracks anywhere: The wireless mouse can work on any surface, including glass dining table, car leather surface, even on your jeans. Scroll-n-Zoom: Smart-Genius - App to customize your device for best performance and high productivity.