This was received as a prize. Although there is some damage to the box, the contents are completely new and unopened. Please purchase only if you understand the damage to the outer box. 5-button wireless trackball mouse, ergonomic design for comfortable operability. - Brand: ELECOM - Model: M-IT10DRBK - Connectivity: Wireless - Number of buttons: 5 - Tracking method: Trackball - Battery: 1 AA battery - Color: Black - Condition: Outer box damaged Thank you for viewing.