Sensor Optical dpi 320 to 440 Scroll Type 4-Way Scroll Wheel Number of Buttons 8 Hand Orientation Right Connector USB Type-A Cable Type Rubber Cable Length Not Specified by Manufacturer LED Illumination None Wireless Connectivity 2.4 GHz RF, Bluetooth Bluetooth Version Not Specified by Manufacturer Wireless Range 32′ / 9 m Internal Battery Type 500 mAh Lithium-Ion Maximum Battery Life 4 Months LED Indicator Connection Charging Time Not Specified by Manufacturer Full-Functionality OS Support Mac, Windows Trackball Size Not Specified by Manufacturer Dimensions (L x W x H) 5.2 x 2.0 x 3.9″ / 132.1 x 50.8 x 99.1 mm Weight 5.78 oz / 164 g Packaging Info Package Weight 1.0 lb Box Dimensions (LxWxH) 7.6 x 6.9 x 2.5″
