HP Wireless Laser Mobile Mouse - Argento Blush The micro-receiver is so small you can store it inside the mouse Advanced 2.4GHz wireless technology for less interference and longer range of operation to work further away Laser sensor with adjustable sensitivity works on most surfaces Rubber sides and symmetric design provide comfortable and secure grip for left or right hand use Compatible across all notebook and desktop platforms; System Requirements: Available USB port; Microsoft Windows /XP/Vista/7