ELECOM Trackball Mouse Wireless, Ergonomic Mouse, 3Device Connection, Wired (USB), Bluetooth, Track Ball Mouse, Thumb Control, Compatible for PC, Laptop, Mac, Windows, macOS, EX-G Pro (M-XPT1MRXBK)

["Optical Tracking Technology: The ELECOM \"EX-G Pro\" Trackball provides precise cursor movement for superior accuracy, allowing you to navigate quickly on screen with less hand movement, enhancing productivity and efficiency. Wired/wireless/Bluetooth connections are available.","Functional 8 buttons: You can assign your favorite functions to each button using the \"ELECOM Mouse Assistant\". The ELECOM Mouse Assistant software can be downloaded from the ELECOM NET website.","DPI Cursor: Designed with a high-performance gaming optical system sensor and lens. The DPI button can easily switch between 500 (LOW), 1000 (MID), and 1500 (HIGH) DPI, adjusting the speed of your cursor movements.","Easy Maintenance: The ball rolls on three 2.5mm large artificial ruby ​​ball bearings. They are extremely smooth, and the relatively large size prevents dust and dirt from clogging. So you don't have to clean the ball bearings too often. The ball is held by the ball bearings but can be easily removed from the device by pushing it through the hole in the bottom and can be easily cleaned.","Product Details: System Requirements: Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or higher, Mac OS 10.13 or higher, Size: 108 mm x 135 mm x 47.7 mm, Weight: 147 g (without battery), DPI: 500/1000/1500 pieces (switchable), Connectivity: wired/wireless/Bluetooth, 1 x AA battery (included) - Battery remaining light equipped."]