[. . . ] [. . . ] The Genius Navigator 900 utilizes a powerful 800dpi optical sensor, so you're more efficient than ever when pointing, clicking, and navigating. Together with the smart power management and indicator, it can extend battery life and it's easy to know when the batteries are low. With Navigator900, no matter for business or travel, you will be more productive and have more convenience. Please contact your sales representative for further information. Key features Bluetooth 2. 0 EDR technology with fully integrated Human Input Device(HID) profile No dongle! [. . . ] [. . . ]