About This

• A diameter of 44mm; Provides fast movements and works perfectly for multiple screen control
• The trackball can be easily removed from the bottom hole of the mouse, using the tip of your finger
• Support part model of SANWA /Nulea M505B/ ELECOM DEFT PRO Series Trackball Mouse , please double check the precise size before purchasing.

Overview

• Brand : LZYDD
• Connectivity Technology : USB
• Special Feature : Portable
• Movement Detection Technology : Trackball
• Number of Buttons : 3