EM01 Advanced Wireless RGB Trackball Mouse

DIMENSIONS Trackball Mouse Height: 4.92 in (125 mm) Width: 2.5 in (63.4 mm) Depth: 1.55 in (39.3 mm) Weight: 6.38 oz (181 g) USB Receiver Height: 0.74 in (18.7 mm) Width: 0.56 in (14.2 mm) Depth: 0.24 in (6.1 mm) Weight: 0.04 oz (1.2 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: 380 dpi Minimal and maximal value: 512-2400 dpi Buttons Number of buttons: 10 (Left/Middle/Right-click, Back/Forward, Scroll-wheel, Precision Switch, Multi-Device switch) Battery Rechargeable Li-Po (900 mAh) battery Battery life: Up to 90