Connection interface :  Bluetooth 4.1

Wireless frequency:     2.4 GHz frequency range

Wireless range:         32.8 feet (10 meters) in open area and 16.4 feet (5 meters) in office environment

Dimensions:             5.17 x 2.17 x 0.56 in (131.31 x 55.11 x 14.22 mm)

Technology details:     Mouse tracking system: Microsoft BlueTrack Technology

                        Imaging rate: Dynamically adaptable to 1200 frames per second

                        X-Y resolution: 1000 points per inch (39.4 points per millimeter)

                        Tracking speed: Up to 30 inches (762 millimeters) per second

Product feature performance: Mouse button features: 2 buttons, left and right click

                             Design features: Bendable tail

                             Scrolling features: Full scroll plane, horizontal and vertical scrolling