EM03 Ergonomic Wireless Bluetooth RGB Trackball Mouse

DIMENSIONS EM03 Trackball Mouse Height: 2.17 in (55 mm) Length: 6.57 in (167 mm) Width: 4.13 in (105 mm) Weight: 8 oz (230 g) SYSTEM REQUIREMENTS USB Receiver Required: Available USB port Windows XP, Windows 7, Windows 8, Windows 10 or higher version, Linux , Mac OS x 10.10 or higher version Bluetooth Required: Bluetooth Low Energy Windows 8, Windows 10 or higher version, Linux, Mac OS x 10.10 or higher version, Android 4.3 or higher version TECHNICAL SPECIFICATIONS Sensor technology ProtoArc Advanced Optical Tracking Nominal value: 400 dpi Minimal and maximal value: 100/200/400/800/1600 dpi Buttons Number of buttons: 8 (Left/Middle/Right-click, Back/Forward, Scroll-wheel, Precision