Light and portable, great for mobile professionalsSaves precious space in a mobile work areaErgonomic and contour design good for both right and left hand usersCompliant with most Bluetooth® devices up to 33'4-way tilt wheel lets you scroll horizontally or vertically to edit spreadsheets and digital pictures more efficientlyAdjustable sensitivity- no driver installation neededDedicated button gives instant access to 4 sensitivity levels- 400, 800, 1200, and 1600 dpi; designed to complement various display sizes and work spacesNon-stop action by charging the ultra-light Li-Polymer battery through the USB cable- no battery replacement hasslesWorks on more surfaces without the need for a mouse pad- experience the more precise, more responsive and smoother cursor controlDimensions: 2.28" W x 1.46" H x 4.0" D; weight: 0.3 lbs.Includes 1-year warranty, carrying pouch, Quick Start Guide and USB charging cable