This is a Bluetooth wireless trackball mouse/remote. I have confirmed the operation of all buttons, the trackball, and the wheel. You can assign arbitrary keys to each button by obtaining drivers from Elecom. The images show all included accessories. Relacon trackball mouse with an ergonomic design and a red trackball. - Brand: Relacon - Type: Trackball Mouse - Color: Black - Battery Type: 2 AA batteries - Features: Red trackball - Design: Ergonomic design Thank you for looking.