Nakabayashi Digio2 Trackball Mouse MUS-TRLF132W (White) Small Wireless Silent 5-Button Wireless (Receiver Communication) Type ----- In October 2024, I purchased this trackball mouse to try it out. I only used it once (for about 10 minutes), so it's practically new. I am selling it after storing it at home. ----- ● Product Description (From the Nakabayashi website) The "Q" series, a very small trackball. It's the world's smallest class (according to our research) for a 34mm ball thumb-operated trackball. Easy to handle even for women with small hands, and easy to carry around. Despite its small size, the ring and little fingers can be placed in a natural position, making it an easy-to-use form. All buttons are silent. You can concentrate on your work without worrying about your surroundings. Convenient "forward" and "back" buttons for easy web browsing. *Not compatible with Mac. *The assignment commands for "forward" and "back" cannot be changed. Automatic speed adjustment. Adjusts the pointer speed according to the movement of the trackball. ● Specifications ・Manufacturer Part Number: MUS-TRLF132W ・Wireless: 2.4GHz receiver ・Body Dimensions/Weight: W88 x D95 x H47mm / approx. 105g (excluding receiver and batteries) ・Supported OS: Windows 11/10/8.1/8/7, MacOSX (10.2 or later) ・Compatible Models: Computers with a functioning USB port ・Resolution: 450-1200dpi (automatic) / 600dpi (fixed) switchable ・Radio Frequency: 2.4GHz band ・Communication Range: Approximately 6-8m radius (varies depending on the usage environment) ・Power Supply: 2 AAA batteries ・Battery Life: Approximately 285 hours of continuous operation ・Battery Replacement Indicator: Approximately 655 days ・Buttons: 5 buttons (4 buttons + wheel button) ・Connector Type: USB (A) connector ・Accessories: 2 AAA alkaline batteries (for trial use) Small micro receiver (can be stored in the mouse body) (W18 x D15 x H5mm / approx. 2g) ・Manufacturer's Suggested Retail Price: 11,690 yen + tax (As of May 5, 2025) --- Returns are not accepted. Thank you for looking.