SANWA Dual Mode (Bluetooth 5.0 + 2.4G Wireless) Ergonomic Trackball Mouse, Optical Rollerball Mice, Programmable Buttons, Adjustable DPI, 5 Buttons, Compatible with MacBook, Windows, macOS, Android - SANWA SUPPLY, GMATB155

• TRACKBALL COMFORT - Quipped with a 34mm trackball and 5 buttons, you will not need to mouse around to move the cursor as it stays in one place even on your leg. You can also adjust it among 5 resolutions of 800/1000/1600/2000/2400 DPI depending on your needs. A full control of everything is within your fingers. DUAL MODE (BLUETOOTH 5.0 + 2.4GHZ WIRELESS) - You can switch between 2 devices with 1 mouse by only one click. It fits for Notebook, PC, Laptop, Computer & other devices. *Use on iPadOS 13: Setting-Accessibility-Touch- Assistive Touch-Devices-Bluetooth Devices. EASY TO PROGRAM - Install the SANWA Trackball Utility onto your computer to configure the Trackball Mouse's buttons. It gives you easy access to assign 5 buttons for several types of functions, such as shortcuts, launch browser, volume up & etc. ERGONOMIC DESIGN - Places your hand in a natural wrist & arm position for smoother movement and less muscle tension. Comfortable finger rests just fit in the palm of your hand. No driver required. Once you get used to it, you will love it! WIDE COMPATIBILITY - Compatible with most system including Windows10, macOS 10.14~10.15, iPadOS 13.4, iOS 13, ChromeOS, Android 7～10. ※Notice: All SANWA Products provide the same high quality after-service as in Japan, including a 1-Year Worry-Free Manufacturer Warranty & free lifetime technical support.※