Thank you for viewing! Wireless mouse with a red trackball. Brand: Nakabayashi Color: White Connectivity Technology: Bluetooth Features: Wireless Movement Detection Technology: Laser Number of Buttons: 5 Compact, palm-sized index finger trackball Achieves amazing miniaturization for an index finger type Can pair with 3 devices (multi-pairing) Automatic adjustment function (AUTO SPEED Control) that adjusts the pointer speed to match the movement of the trackball By using the mouse assignment software [Digio2 Mouse Setting] which can be downloaded from our website, you can change the wheel, forward, and back buttons to other functions. - Model Name: DigiQ MOUSE TLE-185 W - Color: White - Ball Color: Red - Connection Type: Wireless - Function: Trackball Includes AAA batteries