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 days on a single full charge CONNECTION TYPE USB Receiver Bluetooth low energy technology Wireless operating distance: Bluetooth transmission distance: 10m (32.8 ft) 2.4G transmission distance: 20m (65.6 ft) PACKAGE CONTENTS EM01 ADVANCED WIRELESS RGB TRACKBALL MOUSE USB Receiver USB-C cable for recharging User Guide WARRANTY INFORMATION 2-Year Limited Hardware Warranty QUICK GUIDE EM01 User Manual [https://cdn.shopify.com/s/files/1/0551/3972/9497/files/EM01_Trackball_Mouse.pdf?v=1652173917] FAQ EM01 FAQs [https://www.protoarc.com/pages/em01-faq]