HP 2.4G Wireless Optical Mouse Stay Connected - Advanced 2.4GHz wireless technology for less interference and longer range of operation to work further away Travel with confidence - Optical sensor with adjustable sensitivity (1250 CPI default 1750 CPI max) works on many surfaces No more lost receivers - The micro-receiver is so small you can store it inside the mouse Comfort - Rubber sides and symmetric design provide comfortable and secure grip for left or right hand use Improved control - Smooth scroll wheel with middle rubber trim for great feel scrolling up down left and right
