Designed to fit your hand naturally, avoiding painful positions and allowing you to work conveniently for longer hours 7 total buttons for better reliability and ensure maximum productivity Bluetooth effectively avoids interference from other wireless devices to ensure dependable connectivity The tilt wheel scroller makes the use of large spreadsheet and complex websites quite easy by allowing users a 360? navigation Bluetooth wireless connectivity helps reduce the clutter of wires around your Notebook Notebook device support for dependable, fast retrieval of information to ensure maximum convenience and usability Comes in black product color for a chic look with maximum usability